You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Will you please book me a flight ticket from IAD to OAK?

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

USER: I will start on Sept 4th and return on Sept 6th.

ASSISTANT: Can you please share your connection limit?

USER: I need 1 stop over within my route.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: I am Donna Collins.

ASSISTANT: Southwest airlines is airlines is providing direct flight for you with the fare of 100 in economy class, shall I proceed with the booking?

USER: Fine, please proceed.

ASSISTANT: Your ticket is booked with the flight-1009.

USER: Thank you.

ASSISTANT: Thank you for choosing us.