Hi, I am Ruth Hernandez.
user
Hello, how may I aid you?
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, please wait for a while.
assistant
Ok.
user
Sorry, there is no reservation found on your name.
assistant
Ok, no problem. Thank you for your quick response.
user
Thank you for opting us.
assistant