You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please help me in booking a flight from EWR to meet my Uncle at New York?

ASSISTANT: Sure, please provide your destination airport code.

USER: Sure, my destination airport code is JFK.

ASSISTANT: Please provide your travelling dates.

USER: My scheduled dates are on Dec 6th to 8th.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a direct flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer a normal-cost airline.

ASSISTANT: Do you have any preferences about class?

USER: No.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Please provide your name.

USER: Sure, my name is Mary Wright.

ASSISTANT: There are no flights found under your preferable details.

USER: Not a problem, thank you.

ASSISTANT: Welcome, have a great day.