Hi.
user
Hello, how can I serve you?
assistant
Due to the sudden demise of my grandfather, I am unable to catch a flight.
user
Ok.
assistant
So I want you to cancel my existing reservation?
user
Sure, please let me know your name.
assistant
Sure, I had a recent reservation with name Rebecca Harris.
user
There is o reservation found with your name.
assistant
Ok, no worries at all. Thanks for your valuable information.
user
Have a good day.
assistant