You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Will you please book me a ticket from LAS to PHX?

ASSISTANT: Yes. Tell me your travel dates please?

USER: I am planning to start on Mar 6th and return on Mar 8th.

ASSISTANT: May I know your name please?

USER: I am Dorothy Edwards.

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

USER: Yes, I need 1 lay by.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Wait for a moment please.

USER: Sure.

ASSISTANT: Thanks for your time. I have not found any flight matching your flight details.

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

ASSISTANT: Thank you.