You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Gregory Hill. I have a plan to attend a live music concert in MCO, can you please find a flight from LAX?

ASSISTANT: Ok, when you are willing to travel?

USER: My travelling dates are 05/21 and 05/23.

ASSISTANT: There is no flight for you on your route to book your ticket.

USER: That's ok, I will choose any other way to reach my destination on time. Anyway thank you for checking.

ASSISTANT: Thanks for choosing us.