You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Help me in booking a flight from EWR to LAS?

ASSISTANT: Sure, we are happy to help you. Can you please let me know your travelling dates?

USER: I like to travel from May 06 to 08.

ASSISTANT: Do you have any break in between journey?

USER: I prefer connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: I want to depart in Afternoon.

ASSISTANT: May I know your good name?

USER: I am Justin Lopez.

ASSISTANT: Do you prefer any specific airline to travel?

USER: I would like to fly in normal-cost airlines.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: That's ok, thank you.

ASSISTANT: Thank you for availing us.