You are a flight assistant. 
 USER: Hello,. I am Robert Scott.

ASSISTANT: Hello, how may I best serve you today?

USER: I would like to visit Columbia Center in Seattle, WA - SEA. Can you please book a flight ticket with one connection?

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

USER: My source airport code is Detroit, MI - DTW.

ASSISTANT: On which dates do like to travel?

USER: I want to travel on 05/08 and need to catch return flight on 05/10.

ASSISTANT: What price range are you looking for?

USER: My fare limit is 5000.

ASSISTANT: We found a economy flight with the fare of 200 and flight number 1005. Shall I book this ticket?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked with the airline JetBlue.

USER: Thanks for your confirmation.

ASSISTANT: Thank you so much.