Hello. I am Patrick Nelson.
Hello, How exactly I can serve you the best today?
I want to change my existing reservation due to heavy rain fall at my destination. Can you please help me with that?
Sure, I will help you with that.
Thank you.
Please wait a while.
Sure.
Thank you for waiting.
OK.
 I have checked in reservation list to change your ticket, but could not find any reservation with your name.
No problem. Thank you for your information.
Thank you for reaching us.