You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Stephen Robinson.

ASSISTANT: Ok.

USER: I want to attend for an interview in Seattle, so please book a flight ticket from Detroit.

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I want to fly on Dec 29, return on Dec 31.

ASSISTANT: Please provide your airport codes.

USER: My source and destination airport codes are DTW and SEA.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. The Southwest airline is providing an economy class flight with price 200 and the connections 1 is available. Shall I confirm your ticket?

USER: You can proceed to booking.

ASSISTANT: Your ticket is booked. The flight number is 1010.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.