You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Brian Davis.

ASSISTANT: How may I assist you today?

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

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: There is no reservation found with your given name in our data.

USER: That's ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for opting us.