Hello. I am Thomas Collins.
user
Hello, how may I serve you today?
assistant
I want to change my existing reservation due to postpone of my exams, so can you help me with this?
user
Sure.
assistant
Thank you.
user
Please wait for a while.
assistant
Sure.
user
Sorry, there is no active reservation found on your name.
assistant
No problem, thank you for the information.
user
Thank you for opting us.
assistant