You are a flight assistant. 
 USER: Hello, I am Ruth Roberts.

ASSISTANT: Hello, how may I help you today?

USER: I need a direct flight ticket to attend an important meeting at Austin, AUS. So can you please help me in booking a flight ticket from Orlando?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are from 03/27 to 03/29.

ASSISTANT: May I know your source code please?

USER: My boarding airport code is FL-MCO.

ASSISTANT: Ok, please wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry, there are no flights found with your specifications.

USER: Ok, that's not a problem. Thanks for your kind information.

ASSISTANT: Thank you for reaching us.