You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I need to book a ticket from SEA to MCO. Could you book a ticket?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Travelling dates are Aug, 29 and Aug, 31.

ASSISTANT: Do you have any specifications?

USER: I prefer to travel in economy class.

ASSISTANT: Do you have any other preferences?

USER: I need connecting flight.

ASSISTANT: Please provide your name.

USER: I am Kevin Allen.

ASSISTANT: There are no flights found under your preferable details.

USER: Thank you.

ASSISTANT: Welcome, have a great day.