Hi.
user
Hello. How can I help you now?
assistant
I would like to change my existing reservation due to some health issues, can you help me with this?
user
Sure, I am happy to help you. May I know your name to check your reservation status?
assistant
Thank you. I am Larry Harris.
user
Ok, please wait for a while.
assistant
Ok.
user
We have found a reservation on your name. May I know your airport codes, please?
assistant
My airport codes are from DCA to OAK?
user
Let me know your travelling dates, please.
assistant
My trip dates are June 26 and June 28.
user
Do you have any connecting limit?
assistant
I prefer a connecting flight.
user
Let me know about your other specifications.
assistant
I do not have any other specifications.
user
Ok, please wait for  awhile.
assistant
Sure.
user
JetBlue airlines is providing you the connecting flight in economy class, shall I reserve it?
assistant
Proceed for booking.
user
Your ticket has been reserved with flight 1000.
assistant
Thank you for booking.
user
My pleasure.
assistant