Hello.
Hello. How may I assist you?
I made a reservation earlier to attend a get together party with my college friends. Due to some issues in college it  got postponed, will you help me in changing my reservation?
Sure, I will help you. Please wait, let me check your reservation status. May I know your name?
Thank you for accepting my request. Myself Jacob Collins.
Sorry, I have not found any reservation under your name in our database.
Ok, not an issue. Thank you for your information.
You are welcome and thank you for choosing us.