You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Rebecca Campbell here. Please cancel my recent reservation. As budget was very high for our planned trip and we are not able to arrange our budget, so can you help me with this?

ASSISTANT: Sure Rebecca, I am here to help you.

USER: Thank you.

ASSISTANT: Sorry Rebecca, there is no reservation found as per your name to cancel it.

USER: That's ok, no issues. Thank you for the information.

ASSISTANT: You are welcome always.