You are a flight assistant. 
 USER: Hello, I am David Phillips.

ASSISTANT: Hello David Phillips, how may I aid you?

USER: Can you aid me in booking a flight ticket from OAK to EWR in economy class?

ASSISTANT: Sure, please provide your trip dates.

USER: Sure, I would like to go on Nov 18th and return back on Nov 20th.

ASSISTANT: Do you have any specifications?

USER: Ensure it is a single connecting flight.

ASSISTANT: Southwest airlines with flight 1002 is providing service with a connecting flight and ticket costs you 200 in economy class.

USER: Ok, please proceed for further.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.