You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am David Robinson.

ASSISTANT: How can I help you?

USER: Can you please help me in booking my flight ticket to DFW from MSP to meet my friend?

ASSISTANT: Sure, please provide your travel dates.

USER: Sure, my travel dates are Oct 30 and Nov 01.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Sorry, I did not find flights for you.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Thank you for reaching us.