You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Alexander Williams here.

ASSISTANT: How may I assist you Williams?

USER: I would like to visit Walker Art Museum in Minneapolis and St.Paul.Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you. Could you please provide nearest airport codes to book your flight?

USER: My airport codes are from ORD to MSP.

ASSISTANT: May I know your preferable dates that you want to travel?

USER: My departure date is 10/20 and return date is 10/22.

ASSISTANT: Ok, please hold on moment to check the availability of flights and I will revert you.

USER: Ok, make sure my connections limit is 1.

ASSISTANT: Sure, I will check for that.

USER: Ok.

ASSISTANT: Based on your information, flight number 1012 from Delta airlines with the fare of 100 is matches with your required connections. Shall I proceed with this?

USER: That's perfect.Please proceed for booking the flight ticket.

ASSISTANT: Congratulations, your reservation is done successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have a great journey.