You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: Myself Robert Evans, will you help me in booking the flight ticket from LAX to PHX?

ASSISTANT: I am here to help you about that. Can you please provide your planned dates of journey?

USER: My travelling dates are Nov 12 and Nov 14.

ASSISTANT: Do you have any other requirements about your journey?

USER: I need a flight with single connection, which departs in evening time.

ASSISTANT: I regret to say this Robert Evans, there are no flights as per your requirements which travels to your region.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: You are welcome, thank you for reaching us.