You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am looking for a flight from ATL to DEN, can you help me in booking?

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

USER: Sure, my planned travel dates are May 31 and June 02.

ASSISTANT: Do you have any connection limit?

USER: Please look for a connecting flight.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: No, I don't have any specifications.

ASSISTANT: We found a connecting a flight of fare 100 with airline Southwest and number 1028. On whose name can I reserve it?

USER: That's fine, please proceed in booking and reserve the ticket on the name Kathleen Collins.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the service.

ASSISTANT: Thank you.