You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Helen Nelson. I want to book a flight ticket from TX-AUS to MN-MSP for shooting a movie.

ASSISTANT: Ok, may I know your travelling dates please?

USER: My departure day is 06/25, return day is 06/27. My price limit is 200.

ASSISTANT: Ok, hold on I will be back.

USER: Ok, I want one connection in between my journey.

ASSISTANT: Thanks for waiting, we have not found any flights with your given details.

USER: Ok, no problem.

ASSISTANT: Thanks for choosing us.

USER: Thank you for your service.