Hello.
user
Hello. How can I assist you at this moment?
assistant
I want to change my existing reservation, can you please help me with this?
user
Sure, I am happy to help you with that. Can I have your good name please to check your reservation status?
assistant
I am Jack Walker.
user
Ok, please wait a moment.
assistant
Sure.
user
Sorry Jack Walker, no reservation has found under your name to change.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for choosing us, have a good day.
assistant