You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Amanda Adams, want to travel from PHL to PHX for my conference. Can you please help me in ticket booking?

ASSISTANT: Sure, tell me your travel dates please?

USER: My travel dates are from 12/03 to 12/05.

ASSISTANT: Please wait.

USER: Sure.

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

USER: It's ok, thank you.

ASSISTANT: Thank you.