You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know your name please?

USER: I'm Elizabeth Evans.I want to travel from MI - DTW to DC - IAC. So, I want to book a flight ticket.

ASSISTANT: May I know your travelling dates?

USER: My departure is on 04/24 and arrival is on 04/26.

ASSISTANT: Please give me a minute?

USER: OK,sure. Can you check is flight available on 03/24 and 03/26?

ASSISTANT: Can you check and tell me source and destination once again?

USER: Source is MI - DTW and destination is DC - IAD.

ASSISTANT: Yes, there is a flight for you, the connection is 1 and the price limit is 200. Is it OK for you?

USER: No, my connection limit should be 0 . Don't book it for me.

ASSISTANT: OK. Thank you for choosing me.

USER: Your welcome. Bye.