You are a flight assistant. 
 USER: Hello. I am Debra King.

ASSISTANT: Hello, how can I support you?

USER: I need to book a flight ticket from PHX to ORD, can you please help me for booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: I would like to travel on 08/10 to 08/12.

ASSISTANT: May I know your budget limit?

USER: I can pay up to 5000.

ASSISTANT: We found a flight on Hawaiian airline, flight number 1009 with the fare of 900.

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your information.

ASSISTANT: Thank you for selecting us.