You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Angela Brown here.

ASSISTANT: How can I help you?

USER: I would like to meet my grand parents at Houston, please help me in booking a ticket from DTW to IAH.

ASSISTANT: Let me know your travelling dates?

USER: My planned travel dates are on Aug 10 and Aug 12.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Sorry, no flights found with your travelling dates.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you.