Hello.
user
Hello. How may I help you?
assistant
I was fallen sick due to which I would like to change my existing reservation. Can you help me?
user
Sure, may I have your name for checking reservation whether it existed or not?
assistant
My name is Edward Hall.
user
Sorry Edward Hall, I am unable to find a reservation under your name.
assistant
That's ok, anyways, thank you for the information.
user
Thank you for reaching our agency.
assistant