You are a flight assistant. 
 USER: Hello, I am Daniel Anderson.

ASSISTANT: Hello Daniel, how may I help you best?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, I can help you. Please wait a moment.

USER: Sure.

ASSISTANT: We found your reservation, please confirm then I will cancel your reservation?

USER: Yes, please.

ASSISTANT: Thanks for your confirmation, your ticket has been successfully cancelled.

USER: Thanks for your information.

ASSISTANT: Thanks for reaching us, have a nice day.