You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I'm going to participate in trekking competition at Oakland hills, can you please book the ticket from Philadelphia?

ASSISTANT: Can I know your travelling dates?

USER: Sure, I would like to depart from my location on 7th Jan and I want to return back by 9th Jan.

ASSISTANT: Please let me know your travelling airport codes?

USER: Sure, my source airport code is PHL and I want to land at OAK airport.

ASSISTANT: Do you have any other preference?

USER: I prefer single connected flight, search according to that.

ASSISTANT: Can I know your name please?

USER: George Clark is my name.

ASSISTANT: Here is a connecting flight with fare 100 and 1010 as flight number in Hawaiian Airline. Shall I proceed with booking?

USER: That's the perfect flight which I'm looking for, you can proceed for booking the ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you so much for your great service.

ASSISTANT: Thank you for reaching us.