You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am David Garcia. Can you book a ticket from Washington, DCA to Detroit, DTW?

ASSISTANT: Sure. Can you please provide your travel dates?

USER: Because, I have to attend to sports meeting on 04/02. And I will return on 04/04. I need a connecting flight.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: We found an AA airline with flight number 1002 matching your requirements.

USER: Ok, proceed to book.

ASSISTANT: Single connection and fare is 100. Your booking has been processed.

USER: Ok, Thank You.

ASSISTANT: Thank you for reaching us. Have a safe journey.

USER: I am glad at your service,.