You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I assist you?

USER: I want to fly from Philadelphia, PA- PHL, to Las Vegas,NV - LAS.

ASSISTANT: Provide the dates of journey.

USER: I want my depart date on 30th Jan and return on 1st Feb.

ASSISTANT: OK. I found a flight with connection 1 and fare is 100. Can I proceed?

USER: Sure, proceed with booking.

ASSISTANT: May I know your name?

USER: I want the ticket with the name Paul Williams.

ASSISTANT: OK. Your flight number is 1021 with airline:Southwest. Happy journey.

USER: OK, thank you .

ASSISTANT: Your ticket is booked.