You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Joshua Miller. Can you please help me in booking my flight ticket from MCO to SEA?

ASSISTANT: Sure, I will help you in booking. May I know dates of journey to proceed further?

USER: My trip dates are 11/12 and 11/14.

ASSISTANT: Ok, please be on hold. Sorry, there are no flights in this route as per your travelling details.

USER: Ok, fine thank you for checking.

ASSISTANT: Welcome.