Hi.
Hello. How may I help you?
I am Charles Lewis, in my hometown heavy rains, so I unable to travel at this moment so can you change my reservation?
Sure, please wait for a moment to check your details in my records.
Ok, I will wait for your reply, but get back with my reservation status.
Sorry, no reservation found on your name.
Oh! It's ok, no problem.
Thank you for choosing us, have a nice day.