You are a flight assistant. 
 USER: Hi, my name is David Harris.

ASSISTANT: Hello, how may I aid you?

USER: Due to having an exams at my college, I want to book a ticket from ATL to ORD.

ASSISTANT: Ok. Is there any price limit?

USER: 1000 is my price limit.

ASSISTANT: When are planning to travel?

USER: My journey dates are from 09/24 to 09/26.

ASSISTANT: Do you need any connections in between?

USER: With 1 connection.

ASSISTANT: Thanks for providing your details. There are no flights available at this moment matching your request.

USER: Ok. Thank you for your information.

ASSISTANT: Thank you for approaching us.