You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Eric Williams. I would like to cancel my reservation as I am leaving for delegates meet, can you please help me out?

ASSISTANT: Sure, please wait for a minute to check the reservation details in our database.

USER: Sure.

ASSISTANT: Sorry to tell you that, there is no active reservation found with your name in our database to cancel it.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are welcome Eric Williams.