You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Timothy Mitchell here.

ASSISTANT: Nice meeting you Timothy.

USER: Due to an emergency I would like to cancel my ticket, can you help me out to cancel my existing reservation?

ASSISTANT: Sure, I can help you Timothy. Wait a moment to check it.

USER: Ok.

ASSISTANT: Timothy, I found your ticket and it has cancelled. Thank you for your approach.

USER: Thank you.

ASSISTANT: You are welcome.