You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning for a trip with my family to DCA, can you find a flight for me from LAS?

ASSISTANT: Sure, may I know your trip dates please?

USER: Ok, my trip dates are from Oct 29 to 31.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Can you share your name please?

USER: Sure, I am Anna Parker.

ASSISTANT: Frontier Airlines has a connecting flight with number 1000 for fare 100, shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.