You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I would like to book a ticket from MCO to BOS, can you please help me out?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I am travelling on these dates Aug 26th and 28th.

ASSISTANT: Ok, could I have your name please?

USER: Jeffery Turner here.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need single connected flight.

ASSISTANT: Ok, do you have any other specifications?

USER: I prefer departure time in the afternoon.

ASSISTANT: Sorry, there is no flight on your requested travelling dates.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are welcome, have a great day.