Hello.
user
Hello, how may I help you today?
assistant
 Due to sudden change in my trip to another location, I would like to change my reservation. Can you please help me out?
user
Sure, I am here to help you.
assistant
Thank you.
user
May I know your name please?
assistant
My name is Raymond Scott.
user
Please wait for a moment.
assistant
Sure.
user
Sorry Scott, there is no reservation found as per your name in our database.
assistant
It's ok, thank you for your help.
user
Thank you for opting us.
assistant