You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Kenneth Wilson.

ASSISTANT: How may I be of your assistance?

USER: Could you help me in booking a direct flight from ATL to PHL for my friend's birthday?

ASSISTANT: Sure, we are mirthful to help you in booking. How much fare you are expecting for the flight ticket?

USER: My budget for ticket is 5000.

ASSISTANT: Could you please let me know if you need a connecting flight?

USER: I have already mentioned above.

ASSISTANT: Kindly share your planned travelling dates to proceed further.

USER: I want to fly on 11/19 and 11/21.

ASSISTANT: Ok, please wait a moment I will search best flight for you.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a Jet Blue airline matching your essential details with single connection and the fare 200. Can I book an economy class ticket?

USER: I have mentioned that I am looking for a direct flight. Could you please check for that?

ASSISTANT: Sorry to inform you that there are no direct flights found with your details.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for approaching us.