You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket to attend a seminar at Detroit. So, can you please book a ticket in economy class?

ASSISTANT: Sure, we are here to help you. Can you please help me with your travel dates?

USER: Yes, my trip dates are Nov 27 and Nov 29.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a break in between the journey.

ASSISTANT: May I know your source airport code?

USER: Yes, it is JFK.

ASSISTANT: Is there any other specifications?

USER: I Prefer to travel in  major airlines.

ASSISTANT: Please share your name.

USER: My name is Helen Moore.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.