You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Kevin Thompson, can you help me to book a flight from LAX to ORD?

ASSISTANT: Sure, I am happy to help you. May I know your travel dates?

USER: Ok, please can you help me to book a flight for the dates  Oct 16 and 18?

ASSISTANT: Ok, do you have any class preference?

USER: There is no preferred class.

ASSISTANT: Ok, may I know your specifications?

USER: Ok, please book a return flight during afternoon.

ASSISTANT: There is a flight-1013 available in Delta airlines and the ticket fare is 200 only. Can I book the ticket for you?

USER: Ok, please book.

ASSISTANT: Your ticket is booked. Your flight departure time is at 6:00AM and arrival time is at 15:00PM.

USER: Thank you for the help.

ASSISTANT: You are most welcome.