You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in booking a flight ticket from LAS to EWR?

ASSISTANT: Sure, may I know your trip dates?

USER: I would like to travel on June 13 and return on June 15.

ASSISTANT: Can I have your good name?

USER: Myself Stephen Miller.

ASSISTANT: Please share your connection limit.

USER: I would prefer connecting flight.

ASSISTANT: May I know your other specifications?

USER: I don't have any other specifications.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for approaching us.