You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I assist you today?

USER: It's my birthday, so I need to give party to my friends at Phoenix, AZ - PHX. Can you please book me a flight ticket on 02/27?

ASSISTANT: Sure, I will help you in booking your ticket. Can you forward your origin point and arrival date?

USER: I need to return on 02/29 to Washington, DC - DCA.

ASSISTANT: Wait for a moment.

USER: Sure.

ASSISTANT: Thanks for being patience. We are glad to inform you that there is a Delta airline that matches your data. Fare of your ticket is 200 and a connecting flight. Shall I proceed with further booking?

USER: Ok, you can proceed.

ASSISTANT: May I know your name for further booking?

USER: Betty Lewis is my name.

ASSISTANT: Your ticket has been reserved with 1007 of Delta airline. Thank you for availing us.

USER: Thanks for booking my ticket.