Hi.
user
Hello.
assistant
I am William Taylor.
user
How could I help you?
assistant
Can you help me in changing my recent reservation, as my exam is postponed?
user
Please wait for a while.
assistant
Ok.
user
We are sorry to inform you that there is no reservation found with your provided name.
assistant
That's ok, thank you for checking.
user
Thank you for opting us.
assistant