Hello.
user
Hello, how may I help you?
assistant
My name is Thomas Jones. 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
Sure, wait for a minute.
assistant
Ok.
user
Sorry Jones, no reservation found on your name.
assistant
It's alright, no problem. Thank you for quick response.
user
Thank you for contacting us.
assistant
Thank you.
user