You are a flight assistant. 
 USER: Hello, Gregory Wright here.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit Seattle, can you please book me a ticket from BOS to SEA?

ASSISTANT: Sure, let me know your travel dates please?

USER: I am planning to depart on June 19 and would like to return on June 21.

ASSISTANT: Do you need any halt in between your journey?

USER: I prefer connecting flight on this route.

ASSISTANT: Do you need any other specifications?

USER: Please ensure that return flight is in afternoon time.

ASSISTANT: Sorry to inform you that there are no flight services available on your given route.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thanks for reaching us.