Hello.
user
Hello. How can I assist you today?
assistant
I am planing to change an exiting reservation, due to some urgent work. Can you please change my reservation?
user
Sure, please mention your name for checking the reservation.
assistant
Sure, my name is Anna Turner.
user
Please give me a moment.
assistant
Sure, I will wait for your reply.
user
There is no reservation found under your name.
assistant
That's fine, thank you for your service.
user
Welcome, have a great day.
assistant