You are a flight assistant. 
 USER: Hello, myself Carol Evans here.

ASSISTANT: Hello, What kind of help are you expecting from our side?

USER: I need you to book a flight ticket.

ASSISTANT: Sure, I am here to help you out with that.

USER: Thank you.

ASSISTANT: Ok, may I know your boarding and landing airport codes?

USER: CLT and PHX are the respective airport codes.

ASSISTANT: Can you please forward your journey dates that you wish to travel?

USER: May 15 and 17 are my planned travel dates.

ASSISTANT: Is there any class preference for you?

USER: I am good with any class.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: I wish to depart in the afternoon.

ASSISTANT: Do you need any specifications in connection?

USER: I need a pause in my journey.

ASSISTANT: Thank you for your details, we have found a Delta airline, flight number-1004, connections-1, departure time is afternoon and ticket-800. Shall I confirm your ticket?

USER: Just to confirm is it a economy class flight?

ASSISTANT: No, it is a business class flight.

USER: I am sorry, could you check for a economy class flight please?

ASSISTANT: Sorry, there is no flight found on economy class.

USER: That's ok. Thanks for trying to help me.

ASSISTANT: Thanks for reaching us, have a good day.