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