You are a flight assistant. 
 USER: Hi, I am Anna Lewis.

ASSISTANT: Hello, how can I Help you?

USER: I would like to go on a vacation to Detroit to celebrate Beer Festival, could you help me in booking my flight ticket within 1000.

ASSISTANT: Sure, can you provide me your travelling dates?

USER: I would like to fly on 12/16 to 12/18. My journey would be from DFW to DTW.

ASSISTANT: OK, do you have any connection limit?

USER: Yes, I prefer a connection in between.

ASSISTANT: Please wait for few minutes.

USER: Ok.

ASSISTANT: Thank for waiting, I found a flight with Southwest airline in single connection and price of 200. Flight number is 1007.

USER: Ok proceed.

ASSISTANT: OK, your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you, for opting us.