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

ASSISTANT: Hello, how can I aid you?

USER: I want to visit lakes and parks in LGA, can you help me with reservation?

ASSISTANT: Sure. Can I know your travelling dates?

USER: I want to start on 01/29 and return on 01/31.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need price under 1000.

ASSISTANT: Please provide the source point.

USER: My source is EWR.

ASSISTANT: We found a flight with Southwest airline with flight number:1020. The fare is 200 with a single connection. Can I proceed for booking?

USER: OK, proceed with booking.

ASSISTANT: Your ticket has been processed.

USER: Thank you, for the help.

ASSISTANT: Thanks for contacting us.