You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Rodriguez.

ASSISTANT: How may I aid you? Nice to meet you Ronald.

USER: Can you please reserve me a flight ticket from BOS to HOU to attend a flower festival?

ASSISTANT: Sure, can you share your travel dates please?

USER: I would like to depart on Sep 04 and return on Sept 06.

ASSISTANT: May I know your departure and return time please?

USER: My return time should be afternoon.

ASSISTANT: Do you have any other preferences?

USER: I need a flight with single connection.

ASSISTANT: Thanks for your time.

USER: Ok.

ASSISTANT: Sorry there no flights available in the afternoon time.

USER: It's ok, no problem.

ASSISTANT: Thank you.

USER: Thank you for the information.