You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Daniel White here.

ASSISTANT: How may I assist you today?

USER: I want to cancel my ticket due to heavy floods in my hometown.

ASSISTANT: Please wait a moment, let me check with your details.

USER: Sure.

ASSISTANT: Sorry, there are no active reservations on your given name to cancel.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching our service.