You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am looking to book a flight ticket from OAK to DCA. Can you help me for that?

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: My travelling dates are June 10 and June 12.

ASSISTANT: Do you need any break?

USER: I prefer to book a single connecting flight.

ASSISTANT: May I know your name?

USER: My name is Jennifer Garcia.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Please be on hold for sometime, as I can check a flight for your journey with the best airlines.

USER: Ok.

ASSISTANT: We found a connecting flight with an UA airlines, flight number:1007. Can I proceed it for booking?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been reserved with an economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.