You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please help me to book a flight from BOS to DFW.

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

USER: Sure, I want to travel on June 4 and need to return on June 6.

ASSISTANT: May I know your connection limit?

USER: I am looking for a flight with single connection.

ASSISTANT: Do you need any other preference?

USER: No.

ASSISTANT: Can I know your name please?

USER: I am Kevin Clark.

ASSISTANT: Spirit Airlines is providing connecting flight with the ticket fare of 100 and depart time is 9:00 hours, arrival time is 23:00 hours. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1028 and an economy class.

USER: Thank you.

ASSISTANT: Thanks for choosing us.