You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Timothy Wright. Actually, I am planning to visit a New York from DFW to EWR. Can you help me to book a ticket?

ASSISTANT: Sure, can you tell me your trip dates?

USER: My trip dates are 08/10 to 08/12. Make sure my connection limit is 0.

ASSISTANT: Sorry, but there is no direct flight.

USER: That's fine. Thank you.

ASSISTANT: Most welcome.