You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you?

USER: My name is Patrick Robinson. I want to visit my sister this weekend, could you help me in book the ticket?

ASSISTANT: Sure, please provide the airport codes?

USER: It's from AUS to IAD.

ASSISTANT: Please let me know the dates of travel?

USER: The dates of travel are from 02/05 to 02/07.

ASSISTANT: There is a flight 1029 of JetBlue airlines available for you.

USER: Please book the ticket.

ASSISTANT: Shall I proceed?

USER: Ok.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for helping me out.

ASSISTANT: You are welcome.