You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you now?

USER: I want to go to HOU in this week so can you please help me in flight ticket booking process from EWR?

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

USER: Thank you for your response, I want to take off on Aug 16 and book my return ticket also on Aug 18.

ASSISTANT: May I know your name to book the flight ticket?

USER: Sure, my name is Benjamin Walker.

ASSISTANT: Do you have any connection limit?

USER: I will prefer direct flight.

ASSISTANT: Any more specifications do you have?

USER: No.

ASSISTANT: Please be on hold to check the flights.

USER: Sure.

ASSISTANT: We regret to inform you that, there are no flights running towards your region with your requested preferences.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us, have a great day.