You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Emma Young here. I want to cancel my ticket as I am sick.

ASSISTANT: Sure, I am here to help you for this. Let me check your reservation status in our database.

USER: Sure.

ASSISTANT: Sorry for inconvenience, no reservation is found under your name.

USER: No problem, thank you.

ASSISTANT: Thank you very much for contacting our agency.