You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am Christine Smith. I want to book a flight ticket with a price limit 1000. Could you help me in flight booking?

ASSISTANT: Sure, May I know the airport codes?

USER: I am planning to take my children's to dance studio in The Smith Center in NV - LAS and my origin from CA - SFO.

ASSISTANT: Sure. May I know the travelling dates?

USER: My departure is 08/10 and my return date on 08/12. I need a connecting flight.

ASSISTANT: We are happy to inform you that there is a flight matches to your criteria.

USER: Let me know the flight details.

ASSISTANT: Flight number-1009, Southwest airline and price 200 with a connection. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Ok, Your ticket is done.

USER: Thank you, for your service.

ASSISTANT: Thanks for reaching us.