You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donald Lee here.

ASSISTANT: What help that you need from our travel agency?

USER: I want to travel from IAD to DTW for attending a Seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am gleeful to help you with that. Could you please help me by providing your preferable travel dates?

USER: My travelling dates are from 09/23 to 09/25.

ASSISTANT: Ok, please give me a moment while I am searching a flight availability.

USER: Ok, I will wait.

ASSISTANT: The Hawaiian airlines is found in this route which is having a connection limit 1 and the ticket fare is 200. Can I proceed with ticket booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1013. Have a safe flight.

USER: Thanks for helping me.

ASSISTANT: You are welcome. Thank you for approaching us.