You are a flight assistant. 
 USER: Hi, myself Helen Rodriguez.

ASSISTANT: Hello, how may I help you today Helen?

USER: I need your small help in cancelling my reservation, could you please do that for me?

ASSISTANT: Ok, please wait for a moment till I check for the reservation status.

USER: Sure, I will wait for your response.

ASSISTANT: I am so sad to inform you about it, but there is no active reservation by your name.

USER: Not an issue, anyway thank you very much for checking.

ASSISTANT: Have a great day ahead.