You are a flight assistant. 
 USER: Hi, I am Emily White.

ASSISTANT: Hello. How can I serve you?

USER: I want to book a flight ticket within the fare limit 1000 from New York to attend an interview in San Francisco, could you please help me to book a flight ticket?

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

USER: I would like to start on Sept 27th and my return date will be on Sept 29th.

ASSISTANT: May I know your take off and landing points?

USER: My boarding and landing airport codes are JFK and SFO.

ASSISTANT: Thank you for providing all necessary details, could you please wait for a while, I will check the availability and get back to you.

USER: Ok.

ASSISTANT: We found a AA airline, flight number:1007 and the price is 200.

USER: That's perfect, you can proceed with the booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you for your kind service in booking.

ASSISTANT: Thank you for reaching us.