You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I want to change my existing reservation which is done recently due to some problem, can you please help me in this?

ASSISTANT: Sure, may I know your name please?

USER: Ok, my name is Kevin Harris.

ASSISTANT: There is a reservation on your name, please share your travel dates.

USER: Sure, my planning dates are from 10/31 to 11/02.

ASSISTANT: Can I know your airport codes please?

USER: Ok, my travelling airports codes are from MSP to CLT.

ASSISTANT: Please wait a while.

USER: Sure, take your time.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Ok, you can change it.

ASSISTANT: Your ticket is booked, flight number 1002.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.