You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your guide for today?

USER: I am Mary Hall. I am planning to book a ticket to meet my friend at DCA. Can you please help em out to book a ticket from LGA?

ASSISTANT: Yes, I will help you in booking your flight ticket. Could you please let me know your planned dates of your journey?

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

ASSISTANT: Please wait for sometime.

USER: Sure.

ASSISTANT: There is a flight with 1 connected flight having a ticket fare of 100 which is provided by Southwest airlines. Would you like me to book this flight ticket?

USER: That's fine, please proceed the booking.

ASSISTANT: I have confirmed your flight ticket with flight 1015.

USER: Thank you for your service.

ASSISTANT: You are most welcome, thank you for employing our service.