You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Christine Clark from Phoenix. Please book a ticket to Los Angeles, LAX with a direct flight.

ASSISTANT: Sure, tell me your travel dates please?

USER: My travel dates are Jan 21 and Jan 23.

ASSISTANT: Your source airport code please?

USER: My source airport code is PHX.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for your patience. I have found south west airlines which flies with one connection.

USER: Do not proceed.

ASSISTANT: Ok.

USER: Thank you for your service.

ASSISTANT: Thank you.