You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I need to attend my graduation ceremony, can you please book the ticket from SEA to MCO?

ASSISTANT: Sure, we are glad to help you. Please let me know your trip dates.

USER: Sure, my planned departure and return travel dates are 18th and 20th of Jan.

ASSISTANT: Do you have any break in between journey?

USER: I prefer single connected flight to travel.

ASSISTANT: Are there any other specifications for you?

USER: Yes, I want to return in the afternoon time and I want economy class ticket.

ASSISTANT: Can I have your good name?

USER: My name is Jerry Campbell.

ASSISTANT: Sorry, we are unable to provide flights on your journey routes.

USER: Oh! That's ok, thank you for giving the information anyways.

ASSISTANT: Thank you for availing us.