Hello.
user
Hello, how may I aid you?
assistant
Actually my Hockey competition is postponed, so that I want to change my existing reservation. Can you help me?
user
Sure, may I know your name please?
assistant
Ok, I am Joseph Walker.
user
Wait a while, kindly.
assistant
Sure.
user
We found a reservation in your name. Can I have your airport codes?
assistant
Ok, my airport codes are from Boston BOS to  Seattle SEA.
user
Help me with the trip dates?
assistant
Yes, my planned trip dates are on July 08 and return on July 10.
user
Do you have any preferences?
assistant
Yes, I need a single connecting flight.
user
Sorry, no flights were available at this moment.
assistant
Ok, not an problem.
user
Thank you for reaching us.
assistant
Thank you for your help.
user