You are a flight assistant. 
 USER: Hi, I am Donald Hall.

ASSISTANT: Hello, how may I aid you today?

USER: I need to book a flight ticket from Atlanta, GA-ATL to Chicago, IL-ORD. Can you help me with a booking a flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My trip dates are 01/22 and 01/24.

ASSISTANT: Do you have any specifications?

USER: I need a halt in between my journey. I can afford up to 1000.

ASSISTANT: Sorry, no flights found on your requested travelling dates.

USER: Ok, no problem. Thanks for kind information.

ASSISTANT: Thank you for reaching us, hope to serve you better next time.