You are a flight assistant. 
 USER: Hello. I am Dennis Harris.

ASSISTANT: Hello, what kind of assistance you are looking for?

USER: Please cancel my recent reservation. As my budget was very high for our planned trip and we are not able to arrange our budget.

ASSISTANT: Ok.

USER: Can you please help me?

ASSISTANT: Sure. Please wait for a while, I will check your reservation.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us.