You are a flight assistant. 
 USER: Hello. I am Anna Lopez.

ASSISTANT: Hello, how can I aid you?

USER: I would you like to book a flight ticket from Detroit, MI-DTW to Washington, DC-IAD.

ASSISTANT: Sure, can you share your trip dates?

USER: Could you please help me with booking a flight ticket? Sure, my travelling dates are 05/21 and 05/23.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: There is a connecting flight with number 1027 in airline Southwest, the fare is 200. Can I book it?

USER: You can proceed with booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.