You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: My name is Steven Walker, I want to cancel my reservation as my plan to meet my friend is cancelled. Can you help me with that?

ASSISTANT: Ok, please allow me to check with your previous booking.

USER: Sure.

ASSISTANT: Your reservation is successfully cancelled. Thank you for choosing our services.

USER: Thank you for your service.

ASSISTANT: Most welcome.