You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I oblige you today?

USER: I am Shirley Carter, I need to book a flight on 07/15 to attend a event. Could you please help me with booking a flight ticket?

ASSISTANT: Sure, I am here to help you, may I know your travelling airport codes?

USER: Sure, I want to board from Phoniex, AZ-PHX to Denver, CO-DEN.

ASSISTANT: Could you please intimate your return date?

USER: I intend to return on 07/17.

ASSISTANT: There is a Frontier 1001 airline with fare of 100 which matches your travelling dates. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed on name of Shirley Carter.

USER: Thank you for your assistance.

ASSISTANT: Thank you for approaching us.