You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Deborah Lewis.

ASSISTANT: How can I help you?

USER: I would like to attend a meeting in National Center for Civil and Human Rights at IAH. Can you book me a ticket from JFK?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: I would start on Nov 20 and return on 22.

ASSISTANT: Please give me a moment.

USER: Ok, Make sure I need a direct flight.

ASSISTANT: Here, I found a flight for you with single connection and ticket fare is 300.

USER: Ok, don't proceed. I need a direct flight only.

ASSISTANT: Sorry, no direct flights are available on your route.

USER: Ok, thanks for your response.

ASSISTANT: Welcome, have a nice day. Thank you for choosing us.