You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Sure, may I know your name to check your details from our database?

USER: Thank you, my name is Larry Thompson.

ASSISTANT: We regret to inform you that there is no active reservation found on your name to cancel.

USER: Oh! I think the ticket was not booked properly while I am booking. Anyway, thank you for the information.

ASSISTANT: Thank you for contacting us.