Hello,. I am Mary King.
Hello. How may I help you Mary?
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 will help you with that, please wait for a minute to check the reservation details.
Sure.
Thanks for your patience, I could not find any reservation with your name in our database.
Ok, no issues. Thank you.
It's my pleasure, have a nice day.