Hello, I'm Linda Brown.
user
Hello Linda, how may I serve you?
assistant
I would like to change my existing reservation, can you please help me out?
user
Sure, please give me a moment to check the booking history.
assistant
Sure.
user
Sorry Linda, there is no reservation found on this name.
assistant
That's ok, thank you.
user
Thank you for reaching us, happy to serve you anytime.
assistant