You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from JFK to SFO to attend seminar, can you help me in booking?

ASSISTANT: Sure, let me know your trip dates please?

USER: I am departing on Apr 17 and return on Apr 19.

ASSISTANT: May I know your connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any other preference?

USER: I do not have any other specifications.

ASSISTANT: Can I know your name please?

USER: My name is James Clark.

ASSISTANT: United Airlines is providing connecting flight with the ticket fare of 200 and flight number is 1001 in economy class. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.