You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you for the day?

USER:  I want to book a flight ticket to attend Atlanta International Auto Show, they are exhibiting more than 400 vehicles from many branded companies. Can you help me to book a connecting flight?

ASSISTANT: Sure, could you please provide your travelling dates?

USER: 10/22 and 10/24 are my planned travelling dates.

ASSISTANT: May I know your source and destination airport codes?

USER: My plan to leave from Chicago, IL-ORD to Atlanta, GA-ATL.

ASSISTANT: We found an airline UA with flight number 1020. Price 100 with a single connection.

USER: That's perfect, you can proceed.

ASSISTANT: To confirm the reservation, may I know your name?

USER: I am Jonathan Garcia, thanks for your assistance.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.