You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Gary Mitchell. I want to attend a workshop at Philadelphia, can you help me in booking my flight ticket?

ASSISTANT: Sure, May I know your price limit and journey dates?

USER: My price limit is 1000. My journey days are from 12/08 to 12/10.

ASSISTANT: Ok, Can you provide me the airport codes?

USER: My origin is MI-DTW and destination is PA-PHL.

ASSISTANT: Ok, Wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting. Flight number:1027, Airline: UA and price 200 with two connections.

USER: Ok,proceed with booking.

ASSISTANT: Ok, Your ticket is booked. Thanks for connecting us.

USER: Thank you for your support.