You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I need to cancel my recent reservation due to some issues, can you help me in doing that?

ASSISTANT: Sure, We are here to help you. May I know your name?

USER: I am Paul Adams.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT:    Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to cancel  it.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.