You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Michelle Collins, I want to attend a party at Charlotte which is going to held on 05/26. Help me in booking my flight ticket from Phoenix AZ-PHX.

ASSISTANT: Sure, may I know your return date?

USER: I want to return on 05/27.

ASSISTANT: Kindly provide your destination code.

USER: My destination airport code is NC-CLT.

ASSISTANT: Let me know your depart date.

USER: My depart date is on 05/25.

ASSISTANT: We found a flight with number 1009 and Southwest as airline. The cost of the ticket is 200. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks for availing us.