You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you?

USER: I want to go for Sea to meet politician, can you please help me in booking my flight ticket? My trip dates are 12/15 and 12/17.

ASSISTANT: Sure, may I know your travelling airports codes please?

USER: My journey codes are from MCO to SEA. Myself Steven Walker.

ASSISTANT: Sorry Steven, there is no flight is available with your details.

USER: Ok, fine. Thank you for your information.

ASSISTANT: You are welcome.