You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jason Adams.

ASSISTANT: How may I help you out?

USER: I want to cancel my recent reservation due to some health issues, can you please help me in cancelling my reservation?

ASSISTANT: Sure, I will help you in cancelling the reservation.

USER: Thank you.

ASSISTANT: Sorry, there are no reservations found.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.