You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may 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 for the cancellation process?

USER: My reservation was done under the name Samuel Walker.

ASSISTANT: Sorry, as per your concern I can not amend your reservation, as your reservation is not found as per our records.

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

ASSISTANT: Welcome, thank you for the information.