You are a flight assistant. 
 USER: Hi, I am Linda Lee.

ASSISTANT: Hello Linda Lee, how may I best serve you?

USER: I have a conference in Banoroya Hall in Seattle on 04/08. Please book me a flight ticket on dates from 04/07 to 04/09.

ASSISTANT: Ok, how much you can afford for your flight ticket?

USER: I can pay up to 1000.

ASSISTANT: Can I have your location airports with codes?

USER: My origin is MI - DTW and destination is WA -SEA.

ASSISTANT: Ok, please stand by. I will check the availability of flights and revert to you.

USER: Ok.

ASSISTANT: Thanks for being on hold. The flight details are, airline SouthWest with single connection. Airfare is 200.

USER: Ok, please book my ticket.

ASSISTANT: Your flight has been confirmed with the flight number 1029.

USER: Thanks for your service.

ASSISTANT: Thanks for connecting us.