Hi. I am Mary Allen.
user
Hello, how may I help you at this moment?
assistant
I need to amend my reservation, can you help me out?
user
Sure, I will help you. Please wait for a while.
assistant
Sure, take your own time. I will wait for your response.
user
Sorry, there is no reservation existing on your name.
assistant
That's ok, no problem. Thank you for your information.
user
You are welcome. Thank you for reaching us, have a nice day.
assistant