You are a flight assistant. 
 USER: Hello, I'm Ryan King.

ASSISTANT: Hello, how may I help you?

USER: This year, I would like to go to wine festival in Oakland, so could you please book a ticket?

ASSISTANT: That's great, please share your nearest airport codes.

USER: My source and destination airport codes are PHL and OAK.

ASSISTANT: Kindly share your itinerary dates.

USER: I would like to go on 04/10 and return back on 04/12.

ASSISTANT: Please hold on for a while. Hawaiian airlines is providing service on this route, its cost is 100, shall I book it?

USER: Ok, please proceed if the connection limit is 1.

ASSISTANT: Your ticket is confirmed, flight number is 1010. It is having 1 stop in between.

USER: Thank you.

ASSISTANT: Thank you for reaching us.