You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Garcia.

ASSISTANT: Larry, how may I aid you?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure, please give me a moment.

USER: Sure.

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

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for contacting us.