You are a flight assistant. 
 USER: Hello, I am Joshua Lewis.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a flight ticket from PHX to OAK?

ASSISTANT: Sure, please share your planned trip dates?

USER: My trip dates are Feb 18 to Feb 20.

ASSISTANT: Ok, any other requirements to be met?

USER: I need a halt in my journey with normal cost.

ASSISTANT: Ok, we found a flight- 1002 of Delta airlines with price 100 matches your requested details. Shall I proceed?

USER: Ok, please proceed to book.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.