You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I serve you?

USER: I am Sandra Scott. I need to experience the sky drive at Houston, help me in booking my flight ticket from TX-IAH to TX-HOU.

ASSISTANT: Sure, Please help me with your travel dates.

USER: I would be start on 01/10, my return date will be 01/12.

ASSISTANT: Sorry, No flights found with your preferable dates. Thank you for opting us.

USER: Thank you.