You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: My holiday trip has been cancelled, could you please help me with cancelling my recent reservation?

ASSISTANT: Sure, may I know your name to check for the previous reservation?

USER: My reservation was done under the name Nicholas Collins.

ASSISTANT: Please allow me a moment.

USER: Sure, take your time.

ASSISTANT: There is no reservation found under your name in our data base.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for contacting us.