You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to cancel my recent reservation . Can you help me for that one?

ASSISTANT: Sure, may I know your name?

USER: David Hill here.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Sure.

ASSISTANT: Sorry David Hill, no reservation is available by your name.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for approaching us.