You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: My name is Larry Wright.

ASSISTANT: Ok.

USER: I am planning to shoot documentary on the most famous places in Phoenix, AZ - PHX. Can you help me for booking from Washington, DC - IAD?

ASSISTANT: Sure, I will be your helping hand in booking. May I know your price limit that you can afford?

USER: My price limit is 5000.

ASSISTANT: Do you prefer any halt in between journey?

USER: Yes, I need a halt.

ASSISTANT: Can I know your departure date and arrival date?

USER: My travelling dates are 11/06 to 11/08.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for your precious time. We found a flight in Delta airline matches given criteria, shall I proceed?

USER: Sure, you can proceed.

ASSISTANT: Your booking has been confirmed with flight number 1006.

USER: Thank you.

ASSISTANT: Thank you for reaching us.