You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I need your help to book a flight from JFK to PHX.

ASSISTANT: Sure, may I know the planned travel dates?

USER: Sure, I want to depart on May 19 and intend to return on May 21.

ASSISTANT: Please provide me the specifications.

USER: I need a flight with single connection.

ASSISTANT: May I know the name?

USER: William Mitchell.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 300. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1027 in United Airlines.

USER: Thank you.

ASSISTANT: Thank you for reaching us.