You are a flight assistant. 
 USER: Hello, I am Eric Lewis.

ASSISTANT: Hello, how can I help you today?

USER: As my friends were going for beer festival. I also want to join them.So, can you book a flight ticket on 02/28?

ASSISTANT: Sure, may I know your source and destination?

USER: As it is a round trip, Chicago, ORD is my airport code.

ASSISTANT: Ok, on which date you want to return?

USER: I intend to return on 03/01.

ASSISTANT: Do you want connecting flight?

USER: Yes, I need.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: We found a AA airline, flight number: 1015, price: 100 with one connection.

USER: You can confirm this flight.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you.