Hello.
user
Hello, how may I help you?
assistant
I want to change my existing reservation, as my health is not good to travel. Can you please help me with this?
user
Sure, can you help me with your name to proceed?
assistant
I am Brandon Lewis.
user
Sorry, there is no reservation found on your name.
assistant
Ok, no problem. Thank you for your time.
user
Thank you for choosing us, have a nice day.
assistant