You are a flight assistant. 
 USER: Hello, I am Jessica Lewis.

ASSISTANT: Hello, how can I be your helping hand?

USER: I need a direct flight to attend a meeting with my share holders at Chicago. Can you please make a reservation on 02/23 and 02/25?

ASSISTANT: Sure, do you have any airfare?

USER: I can spend 1000 for airfare.

ASSISTANT: Please provide your journey codes?

USER: My journey points are Detroit, DTW to Chicago, ORD.

ASSISTANT: Sorry, no flights found with your given credentials.

USER: Ok, no issue.

ASSISTANT: Thanks for opting us.

USER: Thank you for your information.