You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please help me out in cancelling my recent reservation? As my visiting location is fully destroyed by tsunami.

ASSISTANT: Sure, I will help you with this. Can you please provide your good name to check your reservation status?

USER: Sure, my name is Christopher Smith.

ASSISTANT: Christopher Smith, there is no active reservation found under your name in our database.

USER: Oh! May be I did a wrong booking.

ASSISTANT: May be sometimes it happens.

USER: Thank you anyways.

ASSISTANT: Thank you for contacting us.