Hello.
user
Hello, how may I help you today?
assistant
I am Jack Walker. Please help me in changing my existing reservation, as my college fest has been postponed due to some issues.
user
Sure, I will help you. Please wait a moment.
assistant
Ok.
user
Sorry, there is no reservation found on your given name.
assistant
Ok, no issues.
user
Thanks for choosing us.
assistant
Thank you.
user