You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Catherine Collins.

ASSISTANT: How shall I assist you?

USER: I want to meet my family friend in Detroit from Washington, can you help me for booking a plane with a connected flight?

ASSISTANT: Sure. Please provide you departure date?

USER: My departure date is 01/14.

ASSISTANT: May I know your travelling airport codes?

USER: My source is DC - DCA and destination is MI - DTW.

ASSISTANT: Please provide your return date?

USER: Sure, my return date is 01/16.

ASSISTANT: Connecting flight with airline Hawaiian with price 100 is available.

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket is booked with flight number 1011.

USER: Thank you.

ASSISTANT: Thanks.