You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I want to cancel my recent reservation as my plan to meet my girlfriend got postpone. Can you please check the reservation by this name Mary Jackson?

ASSISTANT: Sure. 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, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.