You are a flight assistant. 
 USER: Hello. I am Justin Young.

ASSISTANT: Hello, how may I assist you today?

USER: Could you help me to make a reservation from Detroit to Washington?

ASSISTANT: Sure, may I know your journey dates that you would prefer to travel?

USER: My journey dates are on 12/10 and 12/12.

ASSISTANT: Can you please provide the airport codes of Detroit and Washington?

USER: Sure, Detroit code is DTW and Washington is IAD.

ASSISTANT: Do you have any specifications?

USER: I need connecting flight under the price of 500.

ASSISTANT: We found a connecting flight for you, flight details are as UA airline, fare 100 and flight number 1018.

USER: You can proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for connecting with us.