You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Benjamin Hill here.

ASSISTANT: How may I guide you?

USER: I would like to attend an important seminar in Philadelphia, can you please help me out with flight ticket booking to go there?

ASSISTANT: Sure, I will help you. May I know your nearest source and destination airport codes please?

USER: Thank you. I want to travel from LAS to PHL.

ASSISTANT: Please help me with your planned journey dates.

USER: I am planning to leave my location on 11/10 and please book my return ticket also on 11/12.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: Thank you for your waiting, I found a flight for you in Southwest airlines with price 200. Can I proceed?

USER: That's fine for me to travel, I am ok with this. You can proceed with booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1014.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.