You are a flight assistant. 
 USER: Hello, William Baker here.

ASSISTANT: Hello, how can I help you?

USER: I want to travel from SEA to PHX, can you please help me to book my flight ticket?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, I will depart on 05/11 and return back on 05/13.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Sure, please book the ticket for me.

ASSISTANT: Your ticket is booked, flight number 1009.

USER: Thank you very much for your help.

ASSISTANT: Thank you.