You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Please help me in booking flight ticket from OAK to PHL.

ASSISTANT: Sure, can I know your connection limit?

USER: I prefer to travel in connecting flight.

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My trip dates are July 23 to July 25.

ASSISTANT: May I know your name?

USER: Dennis Nelson here.

ASSISTANT: There is a connecting flight 1028 in economy class, can I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been booked in Southwest airlines.

USER: Thank you for booking.

ASSISTANT: Welcome.