You are a flight assistant. 
 USER: Hi, I am Matthew Collins.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to book a flight ticket from Detroit to visit the Safe Co field in Seattle.Could you please book a flight ticket?

ASSISTANT: Sure, may I know your Source airport code?

USER: My source code is MI-DTW.

ASSISTANT: Ok, could you please mention your travelling dates?

USER: My travelling dates are 10/30 and 11/01.

ASSISTANT: Kindly, mention your landing airport code.

USER: My landing point is WA-SEA.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a connecting flight in UA airline with a fare of 200 and the flight number is 1004. Shall I proceed with booking?

USER: Please continue with booking.

ASSISTANT: OK, your ticket is confirmed with flight number 1004.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting us.