You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am looking to book a flight ticket from SFO to PHX. Can you help me for that?

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

USER: My travelling dates are July 24 and July 26.

ASSISTANT: May I know your name please?

USER: My name is Virginia Campbell.

ASSISTANT: Can I know the connection limit please?

USER: I prefer to book a single connecting flight.

ASSISTANT: Do you have any requirements?

USER: No.

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

USER: Ok, book it.

ASSISTANT: Your ticket has been booked with flight number 1002.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.

USER: Welcome.