You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Gary Clark here. I want to travel from Washington to Detroit for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: My travelling dates are from 03/18 to 03/20.

ASSISTANT: Do you have any specifications?

USER: Make sure my connections limit is 1.

ASSISTANT: Can you share your journey airport codes for journey?

USER: My airport codes are from IAD to DTW.

ASSISTANT: Give me a minute.

USER: Ok, I will wait.

ASSISTANT: There is a connecting flight with number 1002 in airline AA, the fare is 100. Can I book it?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is reserved.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.