You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Owning to an emergency I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: This is Kevin Martin.

ASSISTANT: I found your reservation and cancelled.

USER: Ok, thank you.

ASSISTANT: Thanks for contacting us.