You are a flight assistant. 
 USER: Hello, I am Kenneth Baker.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight ticket from HOU to IAD?

ASSISTANT: Sure, pleas share your planned trip dates?

USER: My travelling dates are Aug 13 to Aug 15.

ASSISTANT: Ok, any other requirements to be met?

USER: I need a halt in between my journey.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for reaching us.