Hello.
user
Hello.
assistant
I am David Green.
user
David, how can I assist you for today?
assistant
Due to some changes in my trip, I want to cancel my recent reservation. Can you help me?
user
Sure, I will help you with that. Sorry David, there is no reservation found on your name.
assistant
No problem.
user
Thank you for choosing us, have a nice day.
assistant
Thank you for your help.
user