You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What kind of service you are looking from us?

USER: Brian Adams here. I want to cancel my ticket due to family issues.

ASSISTANT: Sure, I will help you. Let me check your reservation status.

USER: Sure.

ASSISTANT: Adams, I have not found any reservation by your name.

USER: No problem, thank you.

ASSISTANT: You are welcome and thank you for contacting us.