You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking a flight ticket from CLT to ORD?

ASSISTANT: Sure, let me know your planned journey dates?

USER: My trip dates are 08/12 - 08/14.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a single connection.

ASSISTANT: Is there any other specifications?

USER: I prefer a normal - cost airline.

ASSISTANT: May I know your good name?

USER: Elizabeth Lee here.

ASSISTANT: Thanks for your details, there is no flight found on your desired journey routes.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.