You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Deborah Collins here.

ASSISTANT: Collins, how can I aid you?

USER: I would like to travel for a round trip from DCA, can you please book a flight ticket?

ASSISTANT: Collins, please provide me travelling date?

USER: Sure, my itinerary dates are 07/22 and 07/24.

ASSISTANT: There is a flight with one connection can I please proceed with it?

USER: Please proceed for booking.

ASSISTANT: Your flight ticket has been booked with 1005 flight in Southwest airlines.Have a safe journey.

USER: Thank you for helping me.