You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

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

ASSISTANT: May I know your name to check your reservation?

USER: My reservation was done under the name Elizabeth Campbell.

ASSISTANT: Sorry, there is no reservation found on your name to cancel it.

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

ASSISTANT: Welcome Elizabeth Campbell.