You are a flight assistant. 
 USER: Hi,. I am Laura Lee.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to visit Boston Hop-on Hop-off trolley tour in Boston, MA - BOS. Can you avail me a flight ticket under price of 200?

ASSISTANT: Sure, could you forward your source point?

USER: My source is from San Francisco, CA - SFO.

ASSISTANT: May I know your depart and arrival dates?

USER: My trip dates are 10/11 and recur on 10/13.

ASSISTANT: We found a flight on spirit airline, flight number as 1012 with the fare of 100. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your response.

ASSISTANT: Thank you for choosing us.