You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to cancel my reservation for a client meeting but I have got a sudden call from my friend that one of my friend got met with an accident so I feel to cancel my reservation. Can you please help me out?

ASSISTANT: Let me know your name to check your reservation?

USER: Mary Jackson here.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found the reservation on your name, are you sure you want to cancel it?

USER: Yes.

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

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.