You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Dorothy Edwards want to attend a workshop at Austin, can you book a ticket on 07/19 and 07/21?

ASSISTANT: Sure, I will help you. Can you help me with your journey airport codes?

USER: Sure, I want to travel from DFW to AUS.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Flight-1001 of JetBlue airlines is available for you. Shall I proceed?

USER: Yes, make sure that the flight price is within 200.

ASSISTANT: Price is 100.

USER: Ok, proceed with my booking.

ASSISTANT: Sure, your ticket has been booked. Have a happy journey.

USER: Thank you.

ASSISTANT: Welcome.