You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Please help me out in booking the ticket from LAS to SEA.

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My trip dates will be Feb 11 to Feb 13.

ASSISTANT: May I know your name to proceed further?

USER: Katherine Collins is my name.

ASSISTANT: What is your max connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you need any other requirements?

USER: My return time must be in the afternoon.

ASSISTANT: We regret to inform you that there is no active flights going on your way.

USER: That's ok, thank you.

ASSISTANT: Thank you for opting us.