You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Jeffrey Collins want to visit Austin on this weekend, can you book a ticket on 04/02 and 04/04?

ASSISTANT: Sure, can I know your travel airport codes?

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

ASSISTANT: The flight 1028 of Delta airlines is available on your requested dates with a price of 200. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Collins, your ticket is booked successfully.

USER: Thank you.

ASSISTANT: You are welcome.