Hello. My name is Jacob Taylor.
user
Hello, how may I help 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
Sorry Jacob, there is no reservation found with your name.
assistant
That's ok.
user
Thank you for choosing us.
assistant
Thank you for checking.
user
Welcome.
assistant
Welcome.
user