You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Larry Harris here.

ASSISTANT: Harris, how may I aid you today?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I will help you in cancelling, please hold on for a moment to check your reservation status.

USER: Sure, I'll wait.

ASSISTANT: Harris, I did not find any reservation with your name in my database.

USER: That's ok, thank you for your time.

ASSISTANT: It's my pleasure.