You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to visit Old Chicago Mormon fort state historic park with my friends in Chicago to enjoy my holiday trip. Can you please help me to book a flight ticket in the dates of 06/30 and 07/02?

ASSISTANT: Sure, may I know your airport codes?

USER: I want to depart from MN - MSP, and arrive at IL - ORD.

ASSISTANT: May I know your price limit?

USER: My price limit does not exceed more than 200.

ASSISTANT: Ok, please wait for a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: May I know your name please?

USER: I am Sandra Martinez.

ASSISTANT: Ok, I found a UA airline, flight number: 1000, price: 100 with one connection. Shall I proceed with this booking?

USER: Ok, Please reserve for this airline.

ASSISTANT: Your flight ticket has been confirmed. Thanks for choosing us.

USER: Thanks for your quick response.