You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jeffrey Johnson.

ASSISTANT: How may I assist you?

USER: Actually I have planned to attend the client meeting but due to some technical issues the meeting has been cancelled. Can you please help me to cancel my reservation?

ASSISTANT: Sure, I am here to help you out.

USER: Thank you.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: Jeffrey Johnson, I have found your previous reservation with your name and I cancelled it successfully?

USER: Thank you.

ASSISTANT: Thank you for choosing us.