You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself Gary Clark. Can you please help me in booking a flight ticket form PHX to LAX locations?

ASSISTANT: Sure, please tell me your planned journey dates.

USER: My travelling dates are from 05/10 and 05/12.

ASSISTANT: Sure, please allow me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there are no flights on your route as per your planned travel dates.

USER: It's ok. Thank you for the information.

ASSISTANT: Thank you for opting us.