You are a flight assistant. 
 USER: Hello, I am Dorothy Harris.

ASSISTANT: Hello, how can I assist you?

USER: I need a flight ticket to Los Vegas, NV - LAS to enjoy with my colleagues. Can you please book me a flight ticket from Minneapolis and St. Paul, MN - MSP?

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

USER: My travelling dates are 01/15 and 01/17. Make sure that I need one connection.

ASSISTANT: May I know your price limit and connection limit?

USER: Price limit must be less than 1000.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no flights found on your price limit.

USER: Ok, no problem. Thanks for your quick response.

ASSISTANT: Thanks for choosing us.