You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to visit New York as a holiday trip, can you please help me in booking a flight ticket from Houston?

ASSISTANT: Sure, I will help you with that, can you share me your travelling dates?

USER: My dates are May 12 and May 14 respectively.

ASSISTANT: Please mention your travelling airport codes.

USER: Book a flight ticket from HOU to EWR.

ASSISTANT: Do you have any connection limit?

USER: Yes, I am not interested to have any stop over in between my journey.

ASSISTANT: Is there any airline preference?

USER: No, but I am looking for a flight which depart afternoon.

ASSISTANT: May I know your name please.

USER: Sure, Ryan Miller here.

ASSISTANT: Sorry, no flights are found on your travel dates.

USER: So sad to here, anyways thank you for checking.

ASSISTANT: Thank you for reaching us.