Hi. I am Christine Martin.
user
Hello, what can I do for you?
assistant
I want to book a flight ticket on 12/06 and return on 12/08, so can you book me a flight ticket from Washington to New York?
user
Sure, may I know your airport codes?
assistant
      Yes, my airport codes are DC-IAD and NY-JFK.
user
We found a flight of delta airline, flight number as 1006 with fare of 200.
assistant
 Ok, please proceed with booking.
user
Your ticket has been booked.
assistant
Thank you.
user
Thank you.
assistant