You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Scott Lewis. I am planning to attend business meeting at Detroit, can you please help me with booking a flight ticket?

ASSISTANT: Sure Lewis, can I know the travel dates please?

USER: Sure, I would like to take off on 06/23 and return back on 06/25.

ASSISTANT: Could you provide the airport codes please?

USER: My source airport code is SEA and the destination airport code is DTW.

ASSISTANT: Ok, wait a moment please.

USER: Ok, but please make sure that the connection limit is 1.

ASSISTANT: There is a flight in UA airline with connection 1, can I book it?

USER: Yes, please proceed with the booking if the price limit does not exceed 500.

ASSISTANT: Your ticket has been booked with flight number 1009.

USER: Thank you for your help.

ASSISTANT: You are welcome.