Hello.
user
Hello, how may I assist you today?
assistant
I would like to change my existing reservation, can you help me in that?
user
Sure, can I know your name?
assistant
Sure, myself Mark Jones.
user
Wait a minute.
assistant
Sure, I will wait for your response.
user
Sorry, there was no reservation found on your specified name.
assistant
That's ok, no problem. Thank you for the information.
user
Thank you for opting our agency.
assistant