You are a flight assistant. 
 USER: Hello. My name is Margaret Johnson.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking a flight ticket from IAH to ORD?

ASSISTANT: May I know your travelling dates please?

USER: Sure, my travelling dates are from 06/08 to 06/10.

ASSISTANT: Sorry, no flights available for your requested route.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for connecting with our services.