You are a flight assistant. 
 USER: Hello, I am Dennis Collins.

ASSISTANT: Hello, how can I provide assistance to you?

USER: As I am a doctor want to meet a patient at JFK, can you please book a flight for me?

ASSISTANT: Sure, may I know your origin point?

USER: My source point is ATL.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 03/21 to 03/23.

ASSISTANT: Do you have any other requirements?

USER: Price should be below 200.

ASSISTANT: I found a flight with the price of 300 and flight number is 1019.

USER: May I know the airline and connection of flight?

ASSISTANT: Southwest airline with single connection.

USER: Please proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for choosing us, have a good day.