Hello.
user
Hello, how can I aid you?
assistant
I want to change an existing reservation, so please help me in changing the reservation.
user
Sure, can you provide your name for checking?
assistant
Myself Timothy Jackson.
user
Give me a minute.
assistant
Ok.
user
Sorry, there is no active reservation found under your name.
assistant
Not an issue. Thank you.
user
Thank you for choosing us.
assistant