You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you now?

USER: I am Nicholas Hall. Can you help me to cancel my reservation?

ASSISTANT: Ok, let me check with your previous booking first before proceeding further.

USER: Ok, please check with my previous booking and let me know the status. I will be waiting for your response.

ASSISTANT: Thank you for waiting, and sorry for my late response.

USER: Ok, no issues with that. Thank you for your help.

ASSISTANT: I could not find any reservation by your name in our data base.