You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ryan Collins here.

ASSISTANT: How may I aid you?

USER: I want to cancel my ticket as I am sick, could you help me out?

ASSISTANT: Sure, I will help you with the flight reservation cancel.

USER: Ok.

ASSISTANT: Wait for a moment please.

USER: Sure.

ASSISTANT: I have searched online but I could not find your flight reservation to cancel it.

USER: No problem, thank you.

ASSISTANT: Thank you.