You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I want to book a flight ticket to visit for a trip to San Francisco with my family, can you help me with booking from EWR to SFO?

ASSISTANT: Sure, can I know your good name please?

USER: I am James Lee.

ASSISTANT:  When you are willing to travel?

USER: I will fly on Mar 21 and recur on Mar 23.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: No.

ASSISTANT: Flight-1022 with single halt is available in Spirit airlines and the ticket fare is 200 only. Shall I book the ticket for you?

USER: Please proceed with booking.

ASSISTANT: Your ticket is booked with economy class.

USER: Thank you.

ASSISTANT: Thank you for reaching us.