You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: Can you help me to book a flight from JFK to OAK?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are Mar 15 and 17.

ASSISTANT: Is there any connection limit?

USER: I prefer connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Mark Allen.

ASSISTANT: Ok, please wait for a minute.

USER: Sure, take your time.

ASSISTANT: We found a connecting flight in United Airlines with flight number 1003 having an economy class.

USER: Proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.