You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, may I know your name?

USER: My reservation was done under the name Sarah Brown.

ASSISTANT: Sorry, there is no reservation with your given name.

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

ASSISTANT: Thank you.