You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I have planned to visit PHX from ORD, can you please assist me in booking my ticket?

ASSISTANT: Sure, let me know your travel dates?

USER: My trip dates are 20th Sep and 22nd Sep.

ASSISTANT: Is there any connection limit?

USER: Yes, I need one connection between my trip.

ASSISTANT: Any other preference?

USER: I need economy class only.

ASSISTANT: Ok, may I know your name to proceed further?

USER: Patrick Martin.

ASSISTANT: Frontier Airlines has a connecting flight with number 1001 for fare 200, shall I proceed?

USER: Proceed.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for booking.

ASSISTANT: Thank yo for choosing us.