You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Is there any help that I can assist you?

USER: Can you please book a ticket from ORD to JFK to meet my friend on her birthday?

ASSISTANT: Sure, on what dates that you would like to book the ticket?

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

ASSISTANT: Please let me know if you need a connecting flight.

USER: Yes, I want single connected flight.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: I don't have any other preferences.

ASSISTANT: Can I have your good name for booking purpose?

USER: Sure, I am Jeffrey Jackson.

ASSISTANT: Sorry to say that there is no flight obtained on your travel dates to book a flight ticket.

USER: Ok, Thank you.

ASSISTANT: Thank you for consulting our agency.