You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I please know your name?

USER: My name is Justin Anderson.

ASSISTANT: Is there something I can help you with?

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

ASSISTANT: Sure, give me a minute. I am sorry to say that there is no reservation found on your name.

USER: That's really sad.

ASSISTANT: Thank you for contacting us.

USER: Most welcome.