Hi.
user
Hello, how may I address you today?
assistant
I want to change an existing reservation due to sudden change in my trip.
user
Ok. To change your reservation I need to know your name.
assistant
I am Samuel Miller .
user
Please wait for a while.
assistant
Ok.
user
Thanks for waiting, no reservation found with your name to change the reservation.
assistant
No issue. Thank you for your service.
user
Thanks for choosing our agency.
assistant