You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you now?

USER: I am Ryan Miller. Owing to an emergency I need to cancel my recent reservation. Can you help me in cancelling my reservation?

ASSISTANT: Ok, I will find your reservation and get back to you shortly.

USER: Sure.

ASSISTANT: We found your reservation and we have cancelled it as per your request.

USER: Ok, thank you for assisting me.

ASSISTANT: Thanks for availing us to serve you?