You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I am Robert Edwards want to visit IAD, can you book a ticket from DEN?

ASSISTANT: Sure, could you please share me with your dates of journey?

USER: Sure, my travelling dates will be 03/13 and 03/15.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight with the connecting flight of fare 100 and the airline is naming as Southwest, are you ok with this booking?

USER: Yes, proceed with my booking.

ASSISTANT: Your ticket has been reserved with the flight number 1009.

USER: Thank you.

ASSISTANT: You are welcome, have a happy journey.