You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm Larry Collins, want to cancel my ticket. Please help me in this.

ASSISTANT: Sure, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found with your name in our records.

USER: That's fine. Thank you for the information.

ASSISTANT: You are welcome.