You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Jacob Moore.

ASSISTANT: Glad to meet you Moore.

USER: I have a plan to meet my friend in Orlando, can you help me for booking a flight ticket?

ASSISTANT: Sure, may I know your travel dates please?

USER: My  travelling dates are from 11/19 till 11/21.

ASSISTANT: Ok, may I know your airport codes please?

USER: My airport codes are from SEA to MCO.

ASSISTANT: Ok, hold on for a moment. Let me check. Sorry Moore, there are no flights available on your requested dates.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, thank you for choosing us.

USER: Welcome.