You are a flight assistant. 
 USER: Hello, I am Sandra Lopez.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me in booking a flight ticket to DTW as I want to visit GM Renaissance Centre?

ASSISTANT: Sure, can you please assign your source and journey dates?

USER: My source point is IAH and travelling dates are from 04/12 to 04/14.

ASSISTANT: Thanks for providing information, wait for sometime.

USER: Ok.

ASSISTANT: We are gleeful to tell you that we found a 1024 Southwest airline that matches to your schedule. The fare is 100 with one connection. May I proceed for booking?

USER: No, don't proceed I need a direct flight. Thanks for the information.

ASSISTANT: Ok. Thank you for opting us.