You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can assist you at this moment?

USER: Can you please check the availability of flights in between the points from OAK to CLT?

ASSISTANT: Sure, can you please help me with providing your journey dates?

USER: My preferred journey dates are on June 14 and 16.

ASSISTANT: In which class you wish to travel?

USER: I am fine in any class.

ASSISTANT: Do you have any restrictions on connection limit?

USER: I need a connected flight.

ASSISTANT: Is there any any more specifications do you need?

USER: My depart time is afternoon.

ASSISTANT: May I know your  name please?

USER: My name is Nancy Anderson.

ASSISTANT: We found a connecting flight with American airlines, flight number 1018, price is 100 in economy class. And your depart time is 17:00 hours. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for approaching us.