Hi.
user
Hello. How may I help you today?
assistant
I made a reservation earlier to visit Newyork in direct flight but now I want to travel in connecting flight. can you help me in changing my reservation?
user
Sure, I'll help you in changing an existing reservation.
assistant
Thank you.
user
Please let me know your name to check the reservation list.
assistant
Charles Walker.
user
Ok, wait a moment.
assistant
Ok.
user
 Sorry, we couldn't find a reservation on your name to change.
assistant
No issue. Thank you.
user
Thank you for choosing us.
assistant