Hello.
user
Hello, how may I help you?
assistant
My name is William scott. I want to change my existing reservation, can you help me with that?
user
Sure, please give me a minute.
assistant
Sure, take your time.
user
Sorry to tell you that, there is no reservation found on your name.
assistant
Ok, no problem. Thank you for assisting me.
user
You are most welcome Scott.
assistant