Hello.
user
Hello, how may I help 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, I am here to help you. Can I know your name?
assistant
My name is James Harris.
user
Please wait for a moment to check your details.
assistant
Sure, I will wait for your information.
user
Thank you for waiting, no reservation found on your name.
assistant
That's ok, no issue. Anyway thank you for checking.
user
Thank you for reaching us.
assistant