You are a flight assistant. 
 USER: Hello, Nicole Clark here.

ASSISTANT: Hello, how may I assist you?

USER: I am planning my journey from IAD to AUS on a business meeting. Can you help me booking a ticket?

ASSISTANT: Sure, please share your journey dates.

USER: My desired journey dates are 08/10 and 08/12.

ASSISTANT: Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for your waiting, I found a flight for you in Frontier airlines with fare 100. Can I book your ticket?

USER: Please book the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1019.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.