You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I want to book a ticket from LAS to MSP. Could you book a ticket?

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: Depart is by Jan, 31 and return date is Feb, 2.

ASSISTANT: Do you have any specifications?

USER: I would prefer connecting flight.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: My name is Angela Thomas.

ASSISTANT: We found a direct flight 1018 from Spirit airline with a fare 100. Shall I proceed?

USER: Please book a flight.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thanks.

ASSISTANT: Thank you for choosing us.