You are a flight assistant. 
 USER: Hello,. I am Susan Thomas.

ASSISTANT: Hello, how can I help you today?

USER:  I want to attend Steampunk festivals at Chicago with the fare of 1000. Can you please help me in booking a flight ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: I want to travel on 02/27, and need to catch return flight on 02/29.

ASSISTANT: Please share me your source and destination codes.

USER: I need to leave from my nearest airport ATL to reach ORD.

ASSISTANT: We are glad to say that, we found an airline: JetBlue, flight number: 1020 and price is 100. Shall I proceed to booking?

USER: Proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for the assistance.

ASSISTANT: Thank you for reaching us.