You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sharon Robinson here.

ASSISTANT: How can I assist you today?

USER: I need to book a flight ticket from OAK to DCA. Can you please help me with booking the flight ticket?

ASSISTANT: Sure, I am ready to help you. May I know your preferable dates?

USER: My preferable travel dates are from 04/07 to 04/09.

ASSISTANT: Just give a moment.

USER: Sure, take your own time.

ASSISTANT: The flight is available with AA airline having one connection limit and airfare is 100.

USER: Ok, you can book it.

ASSISTANT: Your ticket is booked with the flight number 1006.

USER: Thank you for booking my ticket for the flight 1006. Thank you for your service.

ASSISTANT: Thank you for reaching us.