Hello.
user
Hello, how can I serve you today?
assistant
Can you please help me to change my existing reservation?
user
Sure, I'm always here to help you. Can you please provide your name?
assistant
My name is Sarah Wright.
user
 Please wait for a while, I will get back to you with the current status.
assistant
Sure.
user
I have gone through the reservation list which is recorded in database but, your name does not exist.
assistant
No problem, thank you for checking it.
user
Thank you for choosing us.
assistant