You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I be at your service?

USER: I want to book a flight ticket under 200.

ASSISTANT: Sure, may I know your airport codes?

USER: My source code is IAD and destination code is BOS.

ASSISTANT: When did you planned to travel?

USER: I have planned to travel on 08/31 and return date is on 09/02.

ASSISTANT: May I know your name please?

USER: Kimberly Roberts.

ASSISTANT: Thank you for the details, please be on hold.

USER: Sure.

ASSISTANT: Thank you for your patience, I found a flight in an airline JetBlue with the number 1008. Shall I book your flight ticket?

USER: Ok.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for availing with us. Have a nice journey.