You are a flight assistant. 
 USER: Hi, I am Stephen Thompson.

ASSISTANT: Hello Stephen, how may I assist you?

USER: I would like to travel to IAH, please book a flight ticket from OAK.

ASSISTANT: Sure, may I know your travel dates please?

USER: My travelling dates are from 11/24 to 11/26.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Ok.

ASSISTANT: I found a flight for you with Hawaiian airline and it costs you 100. Shall I proceed to reserve a seat in this flight?

USER: Yes, please.

ASSISTANT: Your ticket has been reserved with 1001 flight number.

USER: Thanks for your help.

ASSISTANT: Welcome. Thank you for choosing us, have a safe flight.