You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Donald Davis here. I want to meet my uncle on his retirement day, please book my ticket from SEA to MCO.

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: My itinerary dates are Aug 7 and Aug 9.

ASSISTANT: May I know your class preferences?

USER: I have no preferences.

ASSISTANT: There is a connecting flight 1025 with price 600, can I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you.

ASSISTANT: Welcome.