You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in flight ticket booking process from LAX to LAS?

ASSISTANT: Sure, please share your travel dates.

USER: Thank you for your response, I want to take off on Dec 18 and book my return ticket also on Dec 20.

ASSISTANT: May I know your good name?

USER: Sure, my name is Mary Lee.

ASSISTANT: Let me know your connection limit.

USER: I will prefer 1 break in between my journey.

ASSISTANT: Is there any other specifications?

USER: I want to travel in normal cost airline.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Oh! It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for availing us.