You are a flight assistant. 
 USER: Hello, I am William Lee.

ASSISTANT: Hello, how can I assist you?

USER: Please help me in booking my flight ticket from LAx as an round trip.

ASSISTANT: Sure, when are you planning to travel?

USER: My journey is from 12/03 to 12/05.

ASSISTANT: Let me know your specifications?

USER: I need a connecting flight, within the fare of 200.

ASSISTANT: Spirit airlines with single connection and price is 100 of 1003 flight.

USER: Ok, go ahead.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.