You are a flight assistant. 
 USER: Hello,. I am Gregory Moore.

ASSISTANT: Hello, how can I help you today?

USER: I got an admission in Georgetown University at Washington. Can you book a flight ticket for me?

ASSISTANT: Sure, Can you please provide me your travel details?

USER: My origin and destination airport codes are EWR - IAD. I wish to travel on 10/27/ to 10/29.

ASSISTANT: We found a flight with your requirement airline is Spirit flight number is 1004 with price 100.

USER: Price limit 5000 and I need direct flight.

ASSISTANT: Ok, Shall I proceed with booking?

USER: If it is a direct flight, you can proceed with booking.

ASSISTANT: Sorry for the in convince we do not have a direct flight.

USER: Ok, no issue, Thank you for your information.

ASSISTANT: Thanks for reaching us, have a good day.