Hello.
user
Hello, how may I serve you at this moment?
assistant
Can you help me to change the reservation which I have done recently?
user
Sure, we are here to help you. May I know your name please?
assistant
Ok, thank you for the positive response. My name is Paul Lewis.
user
Sorry, we could not find any reservation on your name.
assistant
That is ok. Thank you for providing the information.
user
Thank you for choosing us.
assistant