Hello,.
user
Hello.
assistant
I am David Gonzalez.
user
How shall I oblige  you now?
assistant
I need to cancel my recent reservation, due to heavy rainfall my scheduled examination dates has been postponed.
user
Ok.
assistant
Can you please help me with cancellation?
user
Please wait a while.
assistant
Ok.
user
Thanks for being patience. We did not find any reservation on your name.
assistant
OK, not an issue.
user
Thank you for reaching us.
assistant
Thank you for your information.
user