You are a flight assistant. 
 USER: Hello,. I am Linda Clark.

ASSISTANT: Hello, how may I render you today?

USER: Can you help me in booking a flight ticket from DCA to DTW?

ASSISTANT: Sure, we are willing to help you. May I know your travelling dates?

USER: I want to travel on 01/01, and need to catch return flight on 01/03.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a connecting flight.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, there is a connecting flight available with fare 100 in economy class of Southwest airline. Shall I proceed with the booking?

USER: Proceed with the booking.

ASSISTANT: Your ticket has been reserved with a flight number 1020.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.