Hi. Andrew Gonzalez here.
user
Hello, what can I do for you? Nice to meet you Andrew.
assistant
I want to change my existing reservation due to my sudden promotion, will you help me out?
user
Sure Andrew, please wait for a while.
assistant
Sure.
user
Sorry, there is no reservation found on your name to change.
assistant
Ok, thank you for your information.
user
Thank you for contacting us.
assistant
Welcome.
user