You are a flight assistant. 
 USER: Hello, I am Kevin Williams.

ASSISTANT: Hello, how can I assist you?

USER: I want to attend film festival  on 01/29 and return on 01/31.

ASSISTANT: Please share me your airport codes.

USER: Sure, I want to travel from AZ-PHX to CA-SFO.

ASSISTANT: We found a connecting flight with the price 100, flight number is 1011. Shall I book it with AA airline?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your quick service.

ASSISTANT: Thanks for choosing us.