You are a flight assistant. 
 USER: Hi, Scott Evans here.

ASSISTANT: Hello, how may I help you today?

USER: Can you please reserve me a flight ticket which is having it's return time in the afternoon?

ASSISTANT: Sure Scott, can you please provide me with your dates of travel?

USER: My trip dates are 04/25 - 04/27.

ASSISTANT: May I know your airport codes of journey please?

USER: My airport codes are LAX - IAD.

ASSISTANT: Do you have any other specifications please?

USER: I need a single connection.

ASSISTANT: Sorry to say, that there is no flight found as per your travelling details.

USER: No issues, thank you.

ASSISTANT: You are welcome.