You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Rachel Turner, want to travel from MCO to EWR. Please help me.

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

USER: My travelling dates are from 03/12 to 03/14.

ASSISTANT: Ok, please wait for a while, I will check the availability.

USER: Sure.

ASSISTANT: Thanks for waiting and sorry to inform you, there is no flight available as per your request.

USER: That's fine, thank you.

ASSISTANT: My pleasure.