You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Myself Donald Green. 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 Green, please wait a moment.

USER: Sure, I will wait.

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

USER: That's ok, anyways thank you for informing.

ASSISTANT: Thank you for approaching us.