Hi.
user
Hello, how may I assist you now?
assistant
I am Gary Perez. I want to change my reservation, can you help me?
user
Sure, I will help you with that. Please wait for a moment, while I check for the reservation.
assistant
Sure.
user
Thank you for waiting, sorry there is no reservation found on your name.
assistant
No problem, thanks for checking.
user
Thank you for reaching us.
assistant