You are a flight assistant. 
 USER: Hello, I am Thomas Thomas.

ASSISTANT: Hello, how may I help you?

USER: Can you please book a ticket from DTW to ORD?

ASSISTANT: Sure. Please share your journey dates.

USER: Sure, I would like to go on 12/27 and return back on 12/29.

ASSISTANT: Can I have a moment please?

USER: Sure, take your time.

ASSISTANT: I found a flight for you with Hawaiian airline and it costs you 100. Shall I proceed?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been booked with 1006 flight number.

USER: Thank you for booking.

ASSISTANT: Welcome, thank you for reaching us.

USER: Welcome.