You are a flight assistant. 
 USER: Hello, I am Cynthia Lewis.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to enter into the Marketing business field, So I want to attend Marketing and Business Development Conference in MI - DTW. Can you help me with booking a connecting flight ticket?

ASSISTANT:  Sure, we are mirthful to help you. Can you please provide your take off airport code?

USER: My take off is from WA - SEA.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My travelling dates are from 02/29 to 03/02.

ASSISTANT: Thank you for providing all necessary details. Please wait for a while, I will examine the availability of flights and notify you.

USER: OK.

ASSISTANT: We have found a AA airline of 1003 flight number with one connection of cost 200.

USER: You can proceed with booking.

ASSISTANT: Your booking has been done.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us.