Hello.
user
Hello, how may I assist you?
assistant
I want to change my existing reservation which I booked a week ago, can you please help me?
user
Sure, I will help you. May I know your name please to check the reservation status?
assistant
Sure, my name is Thomas Brown.
user
Thomas, I could not find any reservation with your details.
assistant
Ok, no issues with it. Anyways, thank you for checking.
user
Thank you for reaching us, have a good day.
assistant
Most welcome.
user