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

ASSISTANT: Hello, How can I serve you the best today?

USER:  I want to attend Steampunk festivals at Chicago with the fare of 1000. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, May I know your board and landing points?

USER: I need to leave from my nearest airport SFO to reach ORD.

ASSISTANT: On what dates, you prefer to travel?

USER: I want to travel on 11/28, and need to catch return flight on 11/30.

ASSISTANT: Please wait, I will search you a flight.

USER: Sure.

ASSISTANT: We found a UA airline, with fare of 900 available for your journey.

USER: Proceed.

ASSISTANT: Your booking is done with 1000 airline.

USER: Thanks for the help.

ASSISTANT: Thanks for the presence.