You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Please search a flight ticket from SEA to MSP?

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are 08/14 and 08/16.

ASSISTANT: May i know your name please?

USER: Ok, myself Melissa Moore.

ASSISTANT: I am sorry no flights found on your route?

USER: Ok, fine not an issue. Anyway thank you for checking.

ASSISTANT: Thank you.