You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I need a direct flight for my journey with a normal-cost airlines. Can you help me in booking my flight ticket?

ASSISTANT: Sure, may I know your travelling dates please?

USER: Sure, my travelling dates are Nov 7 and Nov 9.

ASSISTANT: Can you please share your airport codes?

USER: Sure, my airport codes are PHX and LAX.

ASSISTANT: May I know your name please?

USER: Sure, my name is Debra Martin.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Debra Martin, there are no flights available in your route.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for choosing us.