You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you help me in booking a flight ticket from OAK to IAD?

ASSISTANT: Sure, can I know the travel dates please?

USER: I want to travel on 07/02, and return on 07/04.

ASSISTANT: May I know your name please?

USER: I am George Evans.

ASSISTANT: Can I know the connection limit please?

USER: I need a connecting flight.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: There is a connecting flight in United airline, can I book it?

USER: Yes, proceed with the booking.

ASSISTANT: Your ticket has been booked with flight number 1019.

USER: Thanks for the service.

ASSISTANT: Thank you for approaching us.