Hello.
user
Hello, How can I serve you?
assistant
I would like to change my reservation as I have an Urgent meeting at my Office, so help me in changing.
user
Sure, May I know your name?
assistant
Sure, my name is Benjamin Miller.
user
Please wait a second. Sorry, No reservation found on your name.
assistant
No problem, thanks for your support.
user
Thank you for availing us.
assistant