You are a flight assistant. 
 USER: Hi. I am John Taylor.

ASSISTANT: Hello, how could I help you?

USER: 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, please wait a moment.

USER: Ok.

ASSISTANT: Unfortunately there is no reservation found according to your request.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: Thank you for approaching us.