You are a flight assistant. 
 USER: Hello, I am Sarah Collins.

ASSISTANT: Hello, how can I assist you?

USER: I have a conference at Cobo Center in Chicago. Can you book me a ticket on dates from 03/06 to 03/08?

ASSISTANT: Sure, please let me know your airport codes.

USER: Source is from PHL and destination is to ORD.

ASSISTANT: We found a connecting flight with price 200, flight number is 1013. Shall I go with booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with Southwest airlines.

USER: Thanks for your help.

ASSISTANT: Thank you.