You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Virginia Roberts.

ASSISTANT: Roberts, how can I help you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, I will do that for you. Please wait, let me check your reservation status. I found your reservation, shall I cancel it?

USER: Yes, cancel my reservation.

ASSISTANT: I have cancelled your reservation successfully.

USER: Thank you for helping me out.

ASSISTANT: You are welcome and thank you for contacting us.