You are a flight assistant. 
 USER: Hello, I am Shirley Clark.

ASSISTANT: Hello Clark, how can I render you today?

USER: Can you render me in booking an economy class ticket to Denver?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: I am planning to start on 06/17 and return back on 06/19.

ASSISTANT: Can you please provide your airport codes?

USER: Search for the flights available from OAK to DEN.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Make sure that connection limit is 1.

ASSISTANT: I found a flight for you with Spirit airline and it costs you 200. Shall I proceed?

USER: Yes, you can go ahead.

ASSISTANT: Your ticket has been booked with 1013 flight number.

USER: Thank you for the support.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.

USER: You are welcome.