You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I lend a hand to?

USER: I need to attend a college fare well at SFO, Can you please help me for booking from BOS?

ASSISTANT: Sure, I am here to help you for this. When you are willing to travel?

USER: I would like to travel on 06/19 to return on 09/21.

ASSISTANT: Do you have any criteria regarding your journey?

USER: I need a direct flight.

ASSISTANT: Is there any other specifications ?

USER: No.

ASSISTANT: As per your criteria, there is a flight with Southwest Airlines and the ticket fare is 100. Would you like me to make the booking now?

USER: Ok, proceed for booking.

ASSISTANT: For reserving the ticket. May I know your name please?

USER: Margaret Miller.

ASSISTANT: Your ticket is reserved in economy class with the flight-1021. Your depart time is 5:00 AM and again your arrival time is 9:00 AM.

USER: Thanks for your information.

ASSISTANT: Thank you very much for contacting our agency.