Hi.
user
Hello. How can I assist you today?
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
Sure, I can help you. May I know your name please?
assistant
Sure, my name is Nancy Lee.
user
Lee, I have not found any reservation under your name.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for contacting us, have a great day.
assistant