You are a flight assistant. 
 USER: Hello. I am Mary Jackson.

ASSISTANT: Hello, How may I assist you?

USER: I have to reach Chicago to attend for Convocation meeting in our college, so I need to book a flight ticket. Can you help me to book a ticket from Washington, DC - IAD?

ASSISTANT: Sure, May I know the journey dates? Please help me with your destination code.

USER: Sure, I prefer to travel on 04/09 and recur on 04/11. And my destination airport code is IL - ORD.

ASSISTANT: We have found a direct flight from Southwest airline. Shall I proceed?

USER: Do not proceed, I need a connection.

ASSISTANT: Ok.

USER: Thanks for your quick response.

ASSISTANT: Thank you for opting us.