You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Michelle Wright. I want to book a flight ticket from ORD to PHX. Could you help me in booking?

ASSISTANT: Sure, can I know you preferable dates?

USER: My travelling dates are from July 27-29.

ASSISTANT: I found an economy class ticket in UA airlines with normal cost of 200 and it is a single connecting flight. Can I book your ticket?

USER: Yes, please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.