You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: As I met with an accident yesterday, I want to cancel my reservation. Can you please help me out?

ASSISTANT: Sure, please let me know your name.

USER: I am Elizabeth Parker.

ASSISTANT: We found your reservation, Are you sure you want to cancel it?

USER: Yes, please cancel it.

ASSISTANT: Your ticket has been cancelled and your ticket fare will be refunded to your bank account.

USER: Thank you for helping me.

ASSISTANT: Thanks for choosing our service.