You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Christopher Davis. I am planning to travel from PHX to AUS to attend business meeting, can you please help me with booking a flight ticket?

ASSISTANT: Sure, please share your desired travel dates?

USER: Sure, I would like yo take off on 06/25 and return back on 06/27.

ASSISTANT: Wait a while, I will check and inform you.

USER: Sure, make sure that the price limit should not exceed 5000.

ASSISTANT: There is a flight with American airlines with connection limit 1,  is it ok for you?

USER: Yes, please proceed with booking.

ASSISTANT: Your ticket is booked. Flight number is 1007.

USER: I appreciate your help, thank you.

ASSISTANT: You are welcome.