You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your helping hand?

USER:  I want to book a flight ticket to attend my friend's bachelor's party in DFW. Can you please book a flight ticket with price of 200?

ASSISTANT: Sure. May I know your source point airport code?

USER: My source airport code is Phoenix, AZ-PHX.

ASSISTANT: When would you like to travel?

USER: My travel dates are from 08/20 to 08/22.

ASSISTANT: Please, hold on for a while.

USER: Ok.

ASSISTANT: Thank you for being patience, there is a flight available with Hawaiian airline, flight number 1020 with fare 100 and a lay by.

USER: Ok, please proceed.

ASSISTANT: I need your name to confirm booking.

USER: I am Samuel Martinez.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you for your confirmation.

ASSISTANT: Thank you for reaching us.