Master guest relations, airport flight check-ins, dining orders, high-stress dispute de-escalations, and polite modal structures. Practice judgment-free speaking in authentic workplace roleplay missions with instant pronunciation and grammar coaching powered by Dia AI.
No robotic quizzes. You speak aloud into your browser microphone; Dia evaluates your phonetic clarity, grammar tenses, and pauses in real-time.
“Sure, here is my passport and booking confirmation. I also have one suitcase to check in today.”
Polite conversational structure with standard greeting etiquette. Pitch cadence shows clear natural international clarity.
Every module pairs authentic real-world workplace scenarios with targeted grammar patterns, pronunciation coaching, and branching roleplays.
Adopt standardized international greeting structures, appropriate pitch scales, and polite conversational openers.
Guide passengers through luggage weight limits, passport verifications, seat allocations, and gate transitions.
Take fine dining orders accurately, explain culinary preparation nuances, and handle allergy requests flawlessly.
Calmly de-escalate frustrated guests, manage flight delays or overbooked rooms, and offer compensatory vouchers with grace.
You can practice sensitive sprint blockers, enterprise pitches, or client scenarios with complete confidentiality. All voice recognition runs directly in your browser. No voice recordings are saved or uploaded.
| Track Dimension | Specification & Standard | Outcome Verification |
|---|---|---|
| Target Role | Aviation, Luxury Hospitality & Front Desk (CEFR A2 → B2) | Workplace roleplay fluency |
| CEFR Standard | CEFR B1 (Threshold) to B2/C1 (Proficient) | CEFR alignment scorecard |
| AI Voice Engine | WebSpeech API + Dia LLM Voice Model | Sub-250ms voice latency |
| Evaluation Metrics | Phonetics accuracy, tense correctness, WPM cadence | 0–100% word-level score |
| Privacy Protocol | Zero audio stored on server or cloud databases | 100% client-side privacy |
| Included Free Quota | 100 Free Conversational AI Turns on Signup | No credit card required |
Everything you need to know about practicing spoken English with Dia AI.
Overcome fear of judgment. Practice Scrum standups, executive pitches, and interviews privately with Dia AI. 100 free turns included.