Hi. I am Alexander Hall.
user
Hello, how may I oblige you today?
assistant
Can you help me in changing my recent reservation, as my exam is postponed?
user
Sure, please wait for a while, I will check the reservation list and revert to you.
assistant
Ok.
user
We hardly tried to find your reservation but, no reservation has been found with your name.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant