You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to book a flight ticket from ORD to PHX, can you help me with that?

ASSISTANT: Sure, can you please provide your journey dates?

USER: My planned dates are Oct 15 and Oct 17 respectively.

ASSISTANT: Do you have any specifications to be met?

USER: I need a direct flight in my journey.

ASSISTANT: Are you looking for any preferred class.

USER: No.

ASSISTANT: Can I have your name to proceed?

USER: Carol Miller here.

ASSISTANT: Ok, please wait.

USER: Sure, I will wait for your response.

ASSISTANT: We have found a direct flight of United airlines, flight number-1003 class-economy and fare is 100. Would you like me to proceed?

USER: yes, please proceed.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.