You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Debra Harris, I need a flight for my journey with a single halt in between the journey from my current location Houston in the month of August to attend a occasion in Chicago city. Can you please help me in booking my flight ticket to ORD from IAH?

ASSISTANT: Sure, I'll definitely help you in that. May I know your preferable travel dates please?

USER: Thank you for accepting my request, my preferable travel dates are 08/08 and 08/10.

ASSISTANT: Fine, do you have any other specifications?

USER: Yes, my budget limit is 500 if possible can you please search for the flight accordingly?

ASSISTANT: Sure, please wait for a while. As per your details, there are no flights available for you on those dates.

USER: Not an issue, anyway thank you for the help.

ASSISTANT: Thank you for choosing us.