You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Kevin Scott.

ASSISTANT: How can I help you?

USER: I am planning to attend music concert at MCO, can you please help me with booking a flight ticket from SEA?

ASSISTANT: Your date of travelling?

USER: Sure, I would like to take off on 03/19 and return back on 03/21.

ASSISTANT: I am sorry no flight available on your route.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.