Hello, I am Mary Campbell.
user
Hello, how can I help you today?
assistant
I would like to visit NASA space center at Washington, can you please book me a ticket?
user
Sure, kindly provide me your travel dates?
assistant
I would like to fly on 02/04 and return on 02/06.
user
May I know your airport codes?
assistant
My preferable airport codes are from DFW to DCA.
user
There is a flight with your requirement, airline is JetBlue with price 200 and single connection. Shall I proceed with booking?
assistant
Yes, you can.
user
Your booking is done and flight number is 1013.
assistant
Thanks for your service.
user
Thanks for reaching us, have a good day.
assistant