Hi. I am Donna Edwards.
user
Hello, how can I help you Edwards?
assistant
I want to change an existing reservation due to sudden change in my trip.Can you help me?
user
Definitely, I can help you to change your reservation.
assistant
Thank you.
user
Sorry, no reservation has been registered with us on your name.
assistant
No issue. THank you for your help.
user
Thanks for reaching us, have a nice day.
assistant