You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you book a flight ticket from LAS to DFW?

ASSISTANT: Sure, let me know your travel dates please?

USER: Apr, 17 and Apr, 19 are my trip dates.

ASSISTANT: May I know your connection limit?

USER: I would prefer single connection.

ASSISTANT: Do you need any other preference?

USER: I need to return at afternoon time in normal cost airline service only.

ASSISTANT: Can I know your name please?

USER: Anna Young here.

ASSISTANT: Hawaiian Airlines is providing connecting flight with the ticket fare of 100. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1003 and an economy class.

USER: Thank you.

ASSISTANT: Thanks for choosing us.