You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket from SEA to LGA. Could you help me in booking?

ASSISTANT: Sure, can you provide your trip dates?

USER: My travelling dates are from Jan 20 - 22.

ASSISTANT: Do you need any connections?

USER: I prefer for connecting flight.

ASSISTANT: Are there any other preferences?

USER: I need to travel in normal-cost airline.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your name?

USER: Samuel Anderson.

ASSISTANT: Direct flight number 1008 with price 100 in economy class is available. Is it ok?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for helping me.