You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you?

USER: I am Brian Anderson want to visit Austin, can you book a ticket from OAK to AUS?

ASSISTANT: Sure, may I know your planned journey dates please?

USER: Sure, my travelling dates will be 06/22 and 06/24.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: I found a flight for you in Delta airlines with price 200, can I book your ticket?

USER: Ok, proceed with my booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1013.

USER: Thank you.

ASSISTANT: Thank you for approaching us.