You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Emily Wright, I need a flight to NY-EWR to give my sister a surprise visit. I will fly from CA-OAK. Make sure there should be direct flight.

ASSISTANT: Ok, can you please share your journey dates?

USER: I will travel on 02/20 and return on 02/22.

ASSISTANT: Please provide your price limit?

USER: My price limit is upto 5000.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thanks for your patience. Unfortunately there are no flights found with your request.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for choosing our service. Have a good day.