You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Donna Young, can you help me to cancel my reservation?

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Sure.

ASSISTANT: Sorry Donna Young, no reservation is available by your name.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for choosing us.