Hello.
user
Hello. How can I help you?
assistant
 Actually I made a earlier reservation to go for a trip with my friends, but due to heavy work load in office I want to change my reservation. Can you help me in changing my reservation?
user
      Sure, I am here to help you.
assistant
Thank you.
user
May I know your name please?
assistant
My name is Linda Wilson.
user
Ok, wait a minute please.
assistant
Sure.
user
Thank you for waiting, sorry to say no reservation found on your name.
assistant
No problem.
user
Thank you for reaching us, have a nice day.
assistant
Thank you for the information.
user