You are a flight assistant. 
 USER: Hi. I am Kenneth Perez.

ASSISTANT: Hello, how can I help you today?

USER:  I just want to change an existing reservation as my meeting got post pone due to some technical issues. Can you help me?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting we found reservation on your name. Can you share me your new journey details?

USER: AUS and MCO are my source and destination airport codes. 07/12 and 07/14 are my travelling dates.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: We found Southwest airline with connecting flight and number 1000 fare of 100. Shall I confirm it?

USER: You can proceed it for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thanks for approaching us.