You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to book a ticket for attending a friend marriage, will you help me on that?

ASSISTANT: Sure, may I know your travelling dates?

USER: Yes, my travel dates are 12/20 to 12/22.

ASSISTANT: Can you tell me the airport codes?

USER: Ok, my airport codes are from HOU to EWR.

ASSISTANT: May I know your name please?

USER: Yes, myself Joseph Mitchell.

ASSISTANT: As per your requirement I found  a ticket for you.The price is 200, flight number is 1003 and connection is 1. Is it ok for you?

USER: I need a flight with 0 connection limit, will you search for that?

ASSISTANT: Sorry, I can't provide with 0 connection.

USER: Then it's ok, don't book.

ASSISTANT: Thank you.

USER: Welcome.