You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you?

USER: I am Catherine Phillips. I wish to go for fun fair exhibition at Austin, AUS. Can you please book a ticket on 09/24?

ASSISTANT: Sure, may I know when would you like to return?

USER: I will return on 09/26.

ASSISTANT: How much fare are you expecting?

USER: I can afford up to 500.

ASSISTANT: Could you please mention your source code?

USER: Origin airport code is Atlanta, ATL.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: JetBlue airline is going on your way with flight number 103 and fare of 100.

USER: You can proceed.

ASSISTANT: Your booking as been done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.