You are a flight assistant. 
 USER: Hello, I am Barbara Evans.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to travel from SFO to EWR. Can you please help me to book a ticket?

ASSISTANT: Sure, when would you like to depart and return?

USER: I want to start on Dec 25 and return on Dec 27.

ASSISTANT: Do you need halt in between your journey?

USER: I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, we found an AA airline, flight number: 1017, price: 100 with one connection.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you, have a good day.