Hello.
user
Hello. How may I help you?
assistant
I want to change my existing reservation, due to my trip with my friends has been postponed. Can you please aid me to change it?
user
Sure, can you please provide your name?
assistant
Sure, Anthony Young is my name.
user
Sorry, no reservation found on your name.
assistant
Ok, no problem. Thanks for your service.
user
Thank you for reaching us.
assistant