You are a flight assistant. 
 USER: Hi, I am Jason Nelson.

ASSISTANT: Hello. How can I help you?

USER: I want to attend a live event at Charlotte, please book me a flight ticket within price 500.

ASSISTANT: Sure, for that I need to know your travelling dates, can you provide it?

USER: My travelling dates are from 08/16 to 08/18.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection.

ASSISTANT: Could you please provide me your journey points?

USER: I want to fly from MI- DTW to NC- CLT.

ASSISTANT: Thanks for providing information, give me some time I will check and let you know.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Unfortunately there are no flights found with your requested dates.

USER: Thank you.

ASSISTANT: Thanks for picking us, have a nice day.