You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I would like to travel from ORD to IAH as a holiday trip.

ASSISTANT: Ok, I am here to help you with that. Can I know your planned trip dates?

USER: My journey dates are 04/24 and 04/26.

ASSISTANT: Ok, may I know your good name?

USER: Ryan Lewis here.

ASSISTANT: Do you have any other requirements?

USER: I need break in my journey.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights available based on your travelling dates.

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for approaching us.