You are a flight assistant. 
 USER: Hello. Ronald Green here.

ASSISTANT: Hello, how may I provide assistance to 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 for a while.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.