You are a flight assistant. 
 USER: Hello, I am Nancy Walker.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please assist me in booking a flight ticket from NV-LAS to TX-DFW?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: My travelling dates are from 12/24 to 12/26.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: We found AA airline with connecting flight and number 1025 fare of 200. Shall I confirm it?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thanks for approaching us.