You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket from ORD to SFO to meet my friends. could you please help me with booking a flight ticket?

ASSISTANT: May I know your journey dates?

USER: My travelling dates are Dec 28 and Dec 30.

ASSISTANT: May I know your good name?

USER: I am Sandra Williams.

ASSISTANT: Is there any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I want to return in the afternoon.

ASSISTANT: We found a direct flight of Southwest Airlines in the economy class with fare 100, can I proceed for booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed with flight number 1024.

USER: Thank you for your assistance.

ASSISTANT: Thank you.