Hi, I am Amanda Phillips.
user
Hello, how can I serve you?
assistant
I want to do some changes in the existing reservation because my friends are not able to come on those dates, can you help me in changing an existing reservation?
user
Sure, give me sometime to check and revert to you.
assistant
Ok.
user
Thank you for waiting. Unfortunately we didn't found any reservation according to your name.
assistant
Ok, not an issue. Thank you.
user
Thank you for opting us.
assistant