Hello, I am Larry Wilson.
user
Hello. How may I aid you?
assistant
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, can you please help me?
user
Yes sure. Please give me a moment. Thank you for waiting. But sorry, there is no reservation on your name.
assistant
That's ok, thank you for the information provided.
user
Thank you for reaching us, have a nice day.
assistant