You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to attend music concert at DEN, can you please help me with booking a flight ticket from DFW?

ASSISTANT: Ok, please can I know the dates of your journey?

USER: I would like to take off on Apr 4 and return on Apr 6.

ASSISTANT: Ok, please can I know your specification regarding the connection limits?

USER: I am looking for a connecting flight.

ASSISTANT: Ok, please let me know your other specifications.

USER: I don't have any other specification.

ASSISTANT: Can I know your name to book a ticket?

USER: My name is Brenda Brown.

ASSISTANT: There is a flight ticket available for a connecting flight and the airlines is Southwest. Can I book the flight for the airfare 200?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, the flight ticket has been reserved and the class is economy.

USER: I appreciate your help, thank you.

ASSISTANT: Thank you for choosing our agency.