You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking the flight ticket from DEN to EWR?

ASSISTANT: When would you like me to book a ticket?

USER: My travel dates are Jan 16 and Jan 18.

ASSISTANT: Is there any connection limit for you?

USER: I am willing to travel in a single connecting flight.

ASSISTANT: May I know your name?

USER: Richard Lewis.

ASSISTANT: Is there any another specifications on your trip?

USER: No.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes.

USER: Ok, thank you for the service.

ASSISTANT: Thanks for reaching us.