Helloi.
user
Hello, how can I serve you?
assistant
I am Matthew Gonzalez. I want to do some changes in my existing reservation because I did not get the concert tickets, so planning to travel on another date. Could you please help me with changing?
user
Sure, please wait a while.
assistant
Ok.
user
Thank you for your time. There is no reservation found by your name.
assistant
Ok, no issues. Thank you for your service.
user
Thank you for opting us.
assistant