Hello,.
Hello, how may I abet you?
Due to sudden change in my trip to another location, I would like to change my reservation. Can you please help me out?
Sure, I am here to aid you. May I know your good name to check the reservation list?
I am Rebecca  Harris.
Please give me a moment.
Ok.
Thanks for waiting, I have checked the reservation list but could not find reservation on your name.
No issues, thanks for the information.
Thank you for choosing us.