You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Brandon Brown, want to travel from MCO to EWR.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 10/16 to 10/18.

ASSISTANT: There is no flight available.

USER: It's ok, thank you.

ASSISTANT: Most welcome.