You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Melissa Baker. I need to fly New York, could you please help me in booking my flight ticket from SFO to LGA?

ASSISTANT: Sure, may I know your travel dates?

USER: My planned trip dates are 08/20 and 08/22.

ASSISTANT: At what price range are you looking for?

USER: My price limit is 1000.

ASSISTANT: We found a flight on your details with airline Delta, flight number: 1014. Shall I book this ticket?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.