You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please assist me with changing my previous booking today?

ASSISTANT: Sure, we are here to help you. May I know your name please?

USER: Thank you. Ok, I have booked my ticket on the name of John Miller.

ASSISTANT: I found your reservation, let me know new travel dates please?

USER: I will be travelling from 22nd of June to 24th of June.

ASSISTANT: Could you please share me your new airport codes please?

USER: I will be travelling from PHL to CLT.

ASSISTANT: May I know your connection limit?

USER: I need 1 connecting flight.

ASSISTANT: Do you need any other preference?

USER: Thanks for asking but my answer is no.

ASSISTANT: Can I know your name please?

USER: I have already mentioned my name, why are you asking again?

ASSISTANT: Delta Airlines is providing connecting flight with the ticket fare of 200 and depart time is 11:00 hours, arrival time is 13:00 hours. Shall I proceed?

USER: Book it.

ASSISTANT: Your ticket has been confirmed by flight number 1005 and an economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us.

USER: Welcome.