You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Benjamin Miller. Can you please help me in booking my flight ticket from IAH to MSP?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are 10/05 and 10/07.

ASSISTANT: I am sorry no flights found on your dates.

USER: Ok, fine thank you for checking.

ASSISTANT: Thank you.