You are a flight assistant. 
 USER: Hello, I am Catherine Parker.

ASSISTANT: Hello. How may I aid you today?

USER: I want to meet my brother in Dallas from my home town Chicago. Can you please help me with that?

ASSISTANT: Sure, please provide me the travel dates.

USER: My travel dates are from 06/15 to 06/17.

ASSISTANT: Do you need any connection limit?

USER: Yes, I need single connection between the journey.

ASSISTANT: May I have your airport codes?

USER: Sure, my airport code are from Chicago, IL - ORD to Dallas, TX - DFW.

ASSISTANT: Thanks for sharing your details, but we found a direct flight based on your request.

USER: OK.

ASSISTANT: Shall I proceed to book?

USER: Yes, you can proceed to book. Do not proceed, I need a connecting flight.

ASSISTANT: Ok. Thanks for reaching us.

USER: Thank you for the information.