Hello.
user
Hello, how may I oblige you today?
assistant
Can you please help me in changing my existing reservation, as my exam got postponed.
user
Sure, I will help you in changing your reservation. Please let me know your good name?
assistant
My name is Charles Allen.
user
Ok, please wait for a minute.
assistant
Ok.
user
Thanks for waiting, we didn't find any reservation on your name.
assistant
Ok, no issues. Thank you for your help.
user
Thank you for availing us, have a good day.
assistant