You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER:  I was fallen sick due to bad weather here in my area. So I would like to cancel my current reservation.

ASSISTANT: Sad to hear this. To cancel your reservation, may I know your name?

USER: My name is James Lewis.

ASSISTANT: Lewis, I found your reservation and I cancelled it, because of your health issues. Anything else to help you.

USER: No, thank you for cancelling my reservation.

ASSISTANT: Thank you for reaching us. Take care of your health.