You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to change my existing reservation, can you please help me with this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Melissa Garcia.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name. Can you please share your travelling dates?

USER: My travelling dates are July 15 to July 17.

ASSISTANT: Do you need any break in between the journey?

USER: I need a break in between my journey.

ASSISTANT: Ok, may I know your airport codes please?

USER: My airport codes are MSP to ATL.

ASSISTANT: Wait a minute please.

USER: Ok.

ASSISTANT: Thank you for your time, we found a connecting flight with number 1010 at a price of 200 in economy class provided by United airlines. Shall I proceed?

USER: Please make sure that I want to return in the afternoon.

ASSISTANT: Sure, we found a flight that returns in the afternoon.

USER: Ok, proceed.

ASSISTANT: Sure, your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.