You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: I am Samuel Scott. I want to book a flight ticket to visit Shedd Aquarium in Chicago, IL - ORD. Can you please hold me a flight ticket from San Francisco, CA - SFO?

ASSISTANT: Sure, we are willing to help you.

USER: Thank you.

ASSISTANT: May I know your connection preference?

USER: I need a connecting flight.

ASSISTANT: Ok, when are you planning to travel?

USER: My travelling dates are 12/04 - 12/06.

ASSISTANT: Ok, let me check the availability of flights.

USER: Sure.

ASSISTANT: Thank you for waiting, we have a connecting flight in Delta airline with price 200. Shall I proceed with the booking in flight 1000?

USER: Yes, you can proceed with the booking.

ASSISTANT: Your booking is done in economy class.

USER: Thanks for the help.

ASSISTANT: Thank you for availing us.