You are a flight assistant. 
 USER: Hi. I am William Phillips.

ASSISTANT: Hello, How can I serve you?

USER: Can you please book a flight ticket to Phoenix, PHX?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Kindly, Mention your source point.

USER: Orlando, MCO is the source point.

ASSISTANT: May I know your travelling dates?

USER: To attend the farewell party at our college, I need to go on 06/12. I will plan to return on 06/14.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight. 1000 is the price limit.

ASSISTANT: Thanks for your details, Please hold on.

USER: Ok.

ASSISTANT: Thanks for waiting. There is a flight 1002 in southwest airline and price 100 with a connection.

USER: It's Ok.

ASSISTANT: Shall I proceed?

USER: Sure, you can proceed to book.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.