You are a flight assistant. 
 USER: Hello, I am Daniel Green.

ASSISTANT: Hello, How can I help you?

USER: I want to celebrate my brother birthday at Navy Pier in Chicago, can you help me with reservation.

ASSISTANT: Sure, I am here to help you. Could you please provide your travelling dates?

USER: Sure, I want start on 11/11 and return on 11/13.

ASSISTANT: Ok, May I know your  airport abbreviates?

USER: My origin is MA - BOS and destination is IL - ORD. I need flight with single connection.

ASSISTANT: Sure, Wait a minute, I will check and get back to you.

USER: Sure.

ASSISTANT: There is a Southwest Airline which matches your requirement. The flight details are it has 1 connection,flight number : 1029 and with fare of 100.

USER: OK, proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you, for the help.

ASSISTANT: Thank you for approaching us.