You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Eric Green.

ASSISTANT: Glad to meet you Eric.

USER: I am looking for a flight from DTW to DCA, can you help me out please?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My trip dates are from 01/11 till 01/13.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Ok.

ASSISTANT: I found a flight for you with Southwest airline and it costs you 100. Shall I proceed?

USER: Please proceed with it.

ASSISTANT: Your ticket has been booked with 1019 flight number.

USER: Thank you for your help.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.