You are a flight assistant. 
 USER: Hello, Edward Moore here.

ASSISTANT: Hello, how may I help you today?

USER: As my meeting with clients got cancelled, so I want to cancel my reservation.

ASSISTANT: Sure.

USER: Can you help me with it?

ASSISTANT: I am happy to help you for that. Ok, sorry to say you that we have not found any reservation on your given name.

USER: Ok, thank you for the information.

ASSISTANT: Ok, thank you for choosing us.