You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Shirley Harris here. I want to meet my cousin on his birthday, could you book my ticket from MSP to DEN?

ASSISTANT: Sure, when would you like to depart and return?

USER: My itinerary dates are June 25 and June 27.

ASSISTANT: Do you need halt in between your journey?

USER: I need 1 halt.

ASSISTANT: Ok, is there any class preference?

USER: No.

ASSISTANT: Ok, we found an AA airline, flight number: 1002, price: 100 with one connection. Shall I proceed to booking?

USER: Please book my ticket.

ASSISTANT: Your flight ticket has been confirmed in economy class.

USER: Thank you for assisting me.

ASSISTANT: Thank you.