You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I want to attend a Seminar in Austin. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can you share your trip dates?

USER: My travelling dates are Mar 31 and Apr 02.

ASSISTANT: May I know your airport codes?

USER: My airport codes are DTW and AUS.

ASSISTANT: Do you have any preferences?

USER: I prefer single connecting flight.

ASSISTANT: May I know your name?

USER: My name is Lisa Phillips.

ASSISTANT: There is a connecting flight with number 1017 in airline UA, the fare is 100 in economy class. Can I book it?

USER: Please proceed.

ASSISTANT: Your ticket is reserved.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.