You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: My name is Stephanie Carter.

ASSISTANT: Hello Carter, how can I help you?

USER: I want to book a ticket to meet my friend in Detroit, will you help me with booking ticket from IAD to DTW?

ASSISTANT: Sure. Can I know your travel dates?

USER: I would like to take off on 09/09 and return on 09/11.

ASSISTANT: The flight 1006 of Hawaiian airlines is available on your request. Shall I proceed?

USER: Make sure that the price limit should not exceed 200.

ASSISTANT: Yes, the ticket price is 100.

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your service.

ASSISTANT: You are welcome.