You are a flight assistant. 
 USER: Hello,. I am Lisa Evans.

ASSISTANT: Hi Lisa Evans. How can I help you?

USER: I planned to celebrate the Kentucky Derby with my team members, to enjoy by watching horse racing in Chicago. Can you please help me for booking a ticket?

ASSISTANT: Ya sure. Please share your traveling dates?

USER: I would like to depart on 05/04 and return on 05/06.

ASSISTANT: Your source and destination?

USER: My source is DC-IAD and destination is IL-ORD.

ASSISTANT: We found a flight with your requirements. Airlien:Frontier. Flight number:1023.

USER: You can proceed.

ASSISTANT: Price:100 and with a one single connection.

USER: Thank you for your service.

ASSISTANT: Thank you.