You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to find a flight to Washington on Sept 20th?

ASSISTANT: Sure, please provide your airport codes.

USER: My source point is DTW and my destination is IAD.

ASSISTANT: Can you share on which date are you willing to travel?

USER: I plan to travel on 20th Sept and return on 22nd Sept.

ASSISTANT: Do you need any connection limit?

USER: I prefer a connecting flight.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: My name is Janet Jones.

ASSISTANT: Hawaiian Airlines is providing connecting flight on this route with a ticket fare of 700 and flight departs at 15:00 hours and arrives at 6:00 hours, shall I book your ticket in this flight?

USER: Please proceed with booking.

ASSISTANT: Your ticket is reserved in flight 1011.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.