You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: As I am scientist, I got an invitation from Oakland institute of arts to give a speech. Can you do the reservation?

ASSISTANT: Sure, may I know your source and destination?

USER: My airport codes are ORD-OAK.

ASSISTANT: Please share your journey dates.

USER: Dates are 03/25 and 03/27.

ASSISTANT: May I know your good name please?

USER: Jason Walker here.

ASSISTANT: We found a connecting flight, price is 200.

USER: Please do the booking.

ASSISTANT: Your flight ticket has been confirmed with Hawaiian airline, flight number: 1013.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.