You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Virginia Davis. Can you help me in booking from ORD to HOU for attend an interview?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are from Nov 28 to Nov 30.

ASSISTANT: Sorry, there are no flights available for given dates.

USER: Ok, Not an issues. Thank you.

ASSISTANT: Thank you for reaching us.