You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: I need you to cancel my recent booking. Please help me.

ASSISTANT: Sure, I can certainly do that for you.

USER: Thank you.

ASSISTANT: Can you please provide me the name by which your reservation was made formerly?

USER: My name is Eric Perez.

ASSISTANT: Ok, please give me a moment to check the data base and revert you.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is no reservation found by your name in the reservation list.

USER: That's ok. Thanks for your time.

ASSISTANT: Thank you for opting us.