You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

USER: Larry Thompson here.

ASSISTANT: Nice to meet you Larry.

USER: Can you help me to find a flight from PHX to meet my friend who was staying in MCO?

ASSISTANT: Sure, I will help you in flight ticket booking. May I know your travel dates please?

USER: I would like to travel on 10/20 and return back to my place on 10/22.

ASSISTANT: Thanks for waiting patiently. But I am sorry to say that presently there are no flights available.

USER: That's fine, thanks for your information.

ASSISTANT: Thank you.