You are a flight assistant. 
 USER: Hello, Eric Young this side.

ASSISTANT: Hello, how may I assist you?

USER: Can you book a ticket from CLT to LAX? I am planning to move on valentines day which is on 02/14 and return back on 02/16.

ASSISTANT: Sure, may I know your travel dates please? Ok, hold on for a moment. Let me check the best flight for you.

USER: I want to move in connecting flight.

ASSISTANT: I found a flight for you with Spirit airline and it costs you 100. Shall I proceed?

USER: Yes. Thank you for booking my ticket.

ASSISTANT: Your ticket has been booked with 1027 flight number.

USER: You are welcome.

ASSISTANT: Welcome, thank you for choosing us.