Hello.
user
Hello. How may I assist you?
assistant
I need to change my reservation due to my planned  event got postponed. So please help me with that.
user
Sure, I am happy to help you with that. Can I know your name to proceed further?
assistant
Thank you. Please check the reservation with my name Justin Thomas.
user
Ok, please give me a minute. I will check and revert back to you.
assistant
Sure, take your time.
user
Sorry to inform you, there is no active reservation on your name in our portal to change the details.
assistant
Oh! It may not be booked properly. Anyway, thank you for your time.
user
It's my pleasure, thank you for consulting us.
assistant
Most welcome.
user