You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Could you help me in booking a flight ticket from DFW to EWR?

ASSISTANT: Sure, please provide your journey dates.

USER: I want to fly on Dec 19, return on Dec 21.

ASSISTANT: Ok, Do you prefer business class or economy class?

USER: I am comfortable with any class.

ASSISTANT: Ok, Kindly mention your connection limit.

USER: I need a single connecting flight.

ASSISTANT: Ok, Do you have any other preferences?

USER: No.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1004 Hawaiian Airlines with a fare of 100. Can I proceed for booking?

USER: Ok, proceed to booking.

ASSISTANT: May I know your name?

USER: My name is Betty Martinez.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.