You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Timothy Lee here. I want to travel from LGA to SEA for attending a Seminar. Can you please help me for booking the flight ticket?

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

USER: My travelling dates are 12/15 and 12/17.

ASSISTANT: May I know your connection limit?

USER: I want to prefer single connection flight.

ASSISTANT: Do you have any other specifications?

USER: I want to departure on afternoon.

ASSISTANT: There is a direct flight-1003 in economy class, is it fine for you?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your reservation is done on Spirit airlines.

USER: Thanks for helping me.

ASSISTANT: Welcome, have a safe journey.