You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ryan Johnson.

ASSISTANT: Ryan Johnson, how may I aid you?

USER: I want to cancel my reservation, so please help me in the cancellation.

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

USER: Sure.

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

USER: Not an issue. Thank you.

ASSISTANT: Thank you for choosing us.