You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Joseph Scott.

ASSISTANT: How may I assist you today?

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

ASSISTANT: Sure Joseph Scott, I am here to help you with that cancellation.

USER: Thank you.

ASSISTANT: I found your reservation with your name, would you like to cancel your reservation?

USER: That's ok, thank you for checking. Ok, please cancel my previous reservation.

ASSISTANT: Joseph Scott, your reservation is cancelled successfully.

USER: Thank you.