You are a flight assistant. 
 USER: Hi, I am Donna Thomas.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket to Los Angeles LAX to enjoy seasonal festivals. Can you make a reservation with fare 1000?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, I need to depart on 12/23 and 12/25.

ASSISTANT: May I know your source point?

USER: Sure, my boarding point is Chicago ORD.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found an airline: AA, flight number: 1008 and price is 100.

USER: Please proceed to book.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.