You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in booking a flight ticket to DEN from BOS?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are from Nov 21 to Nov 23.

ASSISTANT: Is there any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found a connecting flight in Southwest Airlines with flight number 1022 having an economy class. Shall I proceed for booking?

USER: Please proceed on the name of David Perez.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.