Hello,.
user
Hello. How can I help you?
assistant
Please book a ticket from Houston, TX-HOU to Washington DC-DCA.
user
Sure. May I know your good name?
assistant
I am Brian Walker.
user
To proceed booking I need your trip dates.
assistant
My journey dates are from 11/01 to 11/03.
user
Thanks for waiting, there is  a flight with airline: Delta, flight number:1000, 1 connection, price 100. Shall I proceed?
assistant
Please proceed to book a ticket.
user
Your ticket has been reserved.
assistant
Thanks.
user
Thank you, have a happy journey.
assistant