Hello, I am Margaret King.
user
Hello, how may I help you?
assistant
I would like to make a trip to Boston, MA - BOS from San Francisco, CA - SFO.
user
OK, may I know your schedule dates?
assistant
I would like to arrive on 03/19 and departure on 03/17.
user
OK, please wait a moment. Thanks for waiting, there is a flight found with fare of 500. The flight details are AA airline and the flight number is 1003.
assistant
I want the flight with the price 200.
user
Sorry there are no flights with price of 200 on your journey dates.
assistant
OK, thank you.
user
Thanks for connecting us, have a great day.
assistant