You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am Samantha Wright, can you help me to book a flight from DFW to ORD?

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are Jan 18 and Jan 20.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Can you please share your flight timings?

USER: I want to return at evening time.

ASSISTANT: Do you have any other specifications?

USER: No.

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

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching us.