You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Wilson.

ASSISTANT: How may I help you?

USER: Can you please help me in flight ticket booking from IAH to LAS?

ASSISTANT: May I know your trip dates?

USER: My trip dates that I have planned is on 06/12 and back on 06/14.

ASSISTANT: There is a flight with flight number 1005 with price is 100, can I proceed?

USER: Yes, you can book my ticket.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for your help.