You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Jennifer Green.

ASSISTANT: Green, how can I assist you?

USER: I would like to cancel my current reservation because my cousin meet an accident.

ASSISTANT: Sorry about your cousin, let me check our database to cancel your ticket.

USER: Ok.

ASSISTANT: Sorry, no reservation found by your name.

USER: That's alright, not an issue.

ASSISTANT: Thank you for choosing us.

USER: Thank you for helping me.