You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

USER: Can you find me a flight from CLT to SFO?

ASSISTANT: Sure. May I know your name please?

USER: My name is James Scott.

ASSISTANT: Tell me your travel dates please?

USER: I will fly on Oct 13 and return on Oct 15.

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

USER: I prefer a connecting flight.

ASSISTANT: Any other preferences?

USER: No.

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

USER: Ok, thank you for the information.

ASSISTANT: Thank you.