You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to visit the Golden Gate Bridge in San Francisco, Can you book me a flight ticket with price range of 1000?

ASSISTANT: Sure, may I know your dates?

USER: My travelling dates are 06/10 and 06/12.

ASSISTANT: Please share me your airport codes?

USER: My source is Boston, MA - BOS. I want to land at San Francisco, CA - SFO.

ASSISTANT: We found a flight on  your details with airline Southwest, flight number: 1006. Shall I book this ticket?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.