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

ASSISTANT: Hello, how may I be of your service?

USER: I want to book a flight ticket to Charlotte with price under 1000.Can you please help me with it?

ASSISTANT: Sure. Could you please mention your airport codes?

USER: Airport codes are ORD-CLT.

ASSISTANT: Let me know your travelling dates.

USER: My travel dates are 08/29 and 08/31.

ASSISTANT: Is there a connection you prefer?

USER: I  need a single connection.

ASSISTANT: Ok, give me sometime.

USER: Ok.

ASSISTANT: Thank you for your time. There are no flights found according to your specifications.

USER: No problem, thanks for the help.

ASSISTANT: Thank you for picking us.