Hello.
user
Hello, how may I abet you?
assistant
I am Patrick Hall. Due to my health problem I want to change my reservation, can you please help me that?
user
Sure, I will help you. Please give me a moment.
assistant
Ok.
user
Thanks for giving your valuable time. There is no reservation done earlier on your name to change.
assistant
Ok, no problem. Thank you.
user
Thank you for choosing us.
assistant