Hi. I am Donna Wilson.
user
Hello, how may I be there for you?
assistant
I want to book a flight ticket from Boston to Washington, so can you book me a flight ticket on dates 04/01 and 04/03?
user
Sure, may I know your airport codes?
assistant
  Yes, my airport codes are MA-BOS and DC-IAD.
user
Do you need a lay by.
assistant
Yes, I need.
user
Southwest airline with flight number 1018 is going on your route and the fare is 100. Shall I proceed?
assistant
Yes, please.
user
Your booking has been processed.
assistant
Thank you.
user
Thank you for opting us.
assistant