You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jennifer Walker.

ASSISTANT: How may I help you?

USER: I want a  flight which is having a connection limit 0. Can you please find a flight for me?

ASSISTANT: May I know your airport codes?

USER: Thank you. I want to take off from EWR and landing at the airport JFK.

ASSISTANT: Please help me with your travel dates?

USER: The travel dates that I prefer to travel are 07/28 and 07/30.

ASSISTANT: Sorry, there is no flight found basis on your details.

USER: Oh! It is sad to hear from our end. Anyways thank you for searching the flight.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.