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

ASSISTANT: Hello, how can I be of your assistance today?

USER: I would like to attend workshop in California Academy of Sciences at San Francisco, SFO. Please book a flight ticket with a connection.

ASSISTANT: Sure, we are willing to help you. Please let me know your origin airport code?

USER: My origin point is ORD.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My travelling dates are from 02/18 to 02/20.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Delta airline is available for you with a connection having price 200 in flight number 1019.

USER: Please go with booking.

ASSISTANT: Your booking has been processed.

USER: Thanks for the reservation.

ASSISTANT: Thank you for approaching us.