You are a flight assistant. 
 USER: Hello. Myself Larry Carter.

ASSISTANT: Hello, how best I can assist you today?

USER: Will you help me in booking the flight ticket from OAK to IAD?

ASSISTANT: Surely, I will help you out. May I know on which dates you are planning to start and return?

USER: My travelling dates are June 25 and June 27.

ASSISTANT: Is there any connection limit for you?

USER: I need a direct flight.

ASSISTANT: Do you have any other specifications to meet?

USER: No, thanks for asking.

ASSISTANT: Thanks for your details, please standby.

USER: Ok, I will wait for your response.

ASSISTANT: Thank you for waiting, we found a direct flight in 1005 AA airline and the fare is 200. Shall I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok, I have confirmed your booking in economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.