You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Ronald Green.

ASSISTANT: How can I help you?

USER: I am planning to travel from ORD to BOS, could you please help me with that?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are 06/07 and 06/09.

ASSISTANT: Sorry Green, there are no flights available as per your request.

USER: That's ok.

ASSISTANT: Thank you for reaching us, have a good day.

USER: Thank you for the information.