You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I help you?

USER: I am Sharon Wilson . Do you have any flights from JFK to DFW.

ASSISTANT: Let me know your travel dates?

USER: On the dates 04/17 to 04/19. And my price limit is 200 with one connection .

ASSISTANT: Sorry, there are no flights with your requirement.

USER: OK .

ASSISTANT: Thank you Wilson for your time.

USER: Thank you for your information .