You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I need to change my reservation as my get together program got postponed. Can you help me out with this?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: I am Carolyn Mitchell.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found a reservation on your name, can you share your travel dates please?

USER: I will start on Aug 12 and return on Aug 14.

ASSISTANT: May I know your airport codes please?

USER: My origin is BOS and destination is MSP.

ASSISTANT: Do you need a stopover?

USER: Yes.

ASSISTANT: Is there any other requirements do you have?

USER: I need to depart in the morning please.

ASSISTANT: Sorry, there is no flight available on your required details.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thank you for availing us.