You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

USER: Will you please book me a direct flight to Phoenix?

ASSISTANT: Sure. May I know your name please?

USER: I am Emma Harris.

ASSISTANT: Tell me your travel dates please?

USER: I will start on Nov 17 and return on Nov 19.

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

USER: Yes, I need 1 stop over.

ASSISTANT: Tell me your airport codes please?

USER: My origin is ATL and destination is PHX.

ASSISTANT: Any other preferences?

USER: I need to depart in the evening and return in the afternoon.

ASSISTANT: Wait for a moment please.

USER: Sure.

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

USER: That's alright, thanks for your assistance.

ASSISTANT: Thank you.