You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I would like to travel from AZ - PHX to TX - DFW. Can you help me to book my flight ticket?

ASSISTANT: Sure, may I know travelling dates?

USER: My travelling dates are 12/01 and 12/03.

ASSISTANT: Sorry to say this no flights as per your details. May I know your name?

USER: Ok, that's fine. Thank you for the information.

ASSISTANT: It's my pleasure, may I know your name?

USER: I am Nicole Garcia.

ASSISTANT: Garcia, have a good day.