You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Please book a flight ticket from CLT to PHX?

ASSISTANT: Sure. Tell me your travel dates please?

USER: My trip dates are May 06 and May 08.

ASSISTANT: May I know your name please?

USER: I am George Anderson.

ASSISTANT: Are you looking for a stopover in your journey?

USER: I need a connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Please wait.

USER: Sure.

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

USER: No problem, thank you for your information.

ASSISTANT: Thank you.