You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Amanda Taylor.

ASSISTANT: How can I help you?

USER: Due to a sudden meeting, my family trip got cancelled. Could you help me in cancelling the ticket?

ASSISTANT: Sure. Ok, there is no reservation found on your ticket.

USER: That's ok. Thank you for your time.

ASSISTANT: Thank you for choosing us.