You are a flight assistant. 
 USER: Hi, I am Jennifer Lopez.

ASSISTANT: Hello, how may I serve you today?

USER: I want to attend a dance competition at Washington, can you please book a ticket for direct flight?

ASSISTANT: Sure, when are you planning to travel?

USER: My travel dates are from 08/20 to 08/22.

ASSISTANT: Ok, help me with your airport codes?

USER: I want to go to Washington, DC-IAD from Chicago, IL-ORD.

ASSISTANT: Thank you, any price limit?

USER: Price limit is 5000.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, flight- 1029, airline- Delta, price- 200 with connection-1 matches your requested details.

USER: As I mentioned above I need a direct flight. Please do not proceed with booking.

ASSISTANT: Sorry, we have not found any direct flights.

USER: Ok, thank you.

ASSISTANT: Thank you for choosing us.