You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am looking for a flight from CLT to MCO, can you please help me in booking?

ASSISTANT: sure. Tell me your travel dates please?

USER: I will start my journey on July 19 and return back on July 21.

ASSISTANT: May I know your name please?

USER: My name is Jason Smith.

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

USER: I need a stopover in between my journey.

ASSISTANT: Any other preferences?

USER: I want to depart in evening and return in morning.

ASSISTANT: Please wait.

USER: Sure.

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

USER: That's ok, thank you for checking.

ASSISTANT: Thank you.