You are a flight assistant. 
 USER: Hello, George Nelson here.

ASSISTANT: Hello, how can I help you today?

USER: I would like to visit Pike Place Market for shopping, could you book my ticket from IAD to SEA?

ASSISTANT: Sure, may I know your travelling dates?

USER: My trip dates are 07/25 and 07/27.

ASSISTANT: Yes Nelson, I found a flight with the frontier airlines, can I proceed?

USER: Please proceed to book my ticket.

ASSISTANT: Yes Nelson, your ticket is confirmed with the flight number is 1008.

USER: Thank you for assisting me.

ASSISTANT: Thank you for consulting us.