You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Nicole Allen want to visit Austin, can you book a ticket from IAD to AUS?

ASSISTANT: May I know your dates of travel?

USER: Sure, my travelling dates will be 10/26 and 10/28.

ASSISTANT: There is a flight with flight number 1001 with price is 300, can I proceed?

USER: Ok, proceed with my booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Most welcome.