You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Dennis Evans. I planned to attend for a wedding in LAS, can you please help me to book a flight ticket from DCA?

ASSISTANT: Sure, can you please tell your travelling dates?

USER: I prefer to travel on 08/24 and 08/26.

ASSISTANT: UA airlines is available with 1 connection and ticket price is just 100. Shall I proceed with it?

USER: Ok, please confirm my booking.

ASSISTANT: Your reservation is confirmed with flight 1017.

USER: Thank you for your help.

ASSISTANT: Thank you and have a nice day.