You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sandra Williams.

ASSISTANT: How can I help you Sandra?

USER: I am planning for a round trip from PHL, could you please help me with booking a flight ticket?

ASSISTANT: Sandra Williams, can I know your travelling dates for the following trip?

USER: I would like to take off on 12/12 and return on 12/14.

ASSISTANT: Flight-1001 by Southwest airlines is available for you with 1 connection. Can I book it?

USER: Please proceed with my booking.

ASSISTANT: Your booking is done and your ticket price is 100. Have a safe flight, enjoy your journey.

USER: Thank you for your service.