You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I'm Sandra Allen.

ASSISTANT: Yes, Allen.

USER: I am planning to visit National Art museum at San Francisco, can you please help me with booking a flight ticket?

ASSISTANT: Sure, please provide me your location airport codes?

USER: My source airport code is PHX and the destination airport code is SFO.

ASSISTANT: Please share me your travel dates?

USER: Sure, I would like to take off on 05/17 and return back 05/19.

ASSISTANT: Please wait a moment.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: Here is a flight with 1 connection and price is 100. Can I proceed with it?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been booked with 1003 flight in Frontier airlines.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for reaching us.