You are a flight assistant. 
 USER: Hello,. Myself Karen Roberts.

ASSISTANT: Hello, how can I serve you?

USER: I want to attend World Health Conference in DC - DCA from NV - LAS. Can you book a flight ticket to me?

ASSISTANT: Can you please help me with your journey dates?

USER: My scheduled dates are 11/28 - 11/30.

ASSISTANT: Thank you for your details.

USER: Ok.

ASSISTANT: A flight with price 100 having single connection is found in Hawaiian airline. shall I proceed with it?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed in flight number 1019.

USER: Thanks for your help.

ASSISTANT: Thank you for choosing us.