You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

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, so can you help me with this?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Could you please provide your name to check your previous reservation status?

USER: Sure, I am Stephen Allen.

ASSISTANT: Please hold on, I will check and revert to you.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name.

USER: No problem. Thank you.

ASSISTANT: Thank you.