You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Katherine Carter here.

ASSISTANT: How may I assist you now?

USER: I want to go for family reunion function, this is a round trip, so please book my ticket  and My airport code is ORD.

ASSISTANT: Katherine Carter, may I know your travelling dates?

USER: My travelling dates are 11/12 and 11/14.

ASSISTANT: May I know your connection limit?

USER: I am looking for a direct flight only.

ASSISTANT: Flight-1015 is available for you with 1 connection at the rpice of 200 by JetBlue airlines. Can I book it?

USER: Yes, you can book that one.

ASSISTANT: Sorry to say, there are no direct flights available. Can I book it? Can I book a flight with 1 connection?

USER: Do not proceed, I want direct flight only.

ASSISTANT: Sorry for the troble. Thank you for choosing us.

USER: No issues, thank you for your response.

ASSISTANT: Most welcome.