You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: My name is Sharon Lopez. I want to book a flight ticket from TX - HOU to TX - DFW to attend an interview in Dallas & Fort Worth.

ASSISTANT: Sure, I am here to help you. Can you please help me with your travel dates?

USER: My departure day is 12/11, return day is 12/13.

ASSISTANT: Do you have any other specification?

USER: I need a halt in my journey.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no flights with your specification.

USER: Not an issue, thank you.

ASSISTANT: Thank you for reaching us. hope to serve you better next time.