Hello,.
user
Hello, How can I serve you?
assistant
I want to change my existing reservation due to postpone of client meeting so, can you please help me in changing my reservation?
user
Sure,May I know your name?
assistant
My name is Samantha Adams.
user
Please wait a minute.
assistant
Sure.
user
Sorry, No reservation found on your name.
assistant
No problem, thank you.
user
Thank you for availing us.
assistant