Hello.
user
Hello. May I know your name please?
assistant
I am Raymond Thomas.
user
How can I help you Raymond?
assistant
I need your help for change my existing reservation, can you help me?
user
Sure. Please give me a minute so that I can check the details.
assistant
OK.
user
Sorry, there is no existing reservation found on your name.
assistant
Thank you for your help.
user
Thank you for choosing us.
assistant