You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Joseph Martinez.

ASSISTANT: How can I amend you today?

USER: As my meeting has been postponed, Can you please change my reservation?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time. We are glad to notify you that we found a reservation with your name.

USER: Ok.

ASSISTANT: Can you share journey points?

USER: Journey dates are 06/20 to 06/22.

ASSISTANT: Let me know your dates of travel. Ok, thanks for sharing your dates. Kindly, share your airport codes.

USER: Source code is Atlanta, ATL. Destination, Philadelphia, PHL.

ASSISTANT: Ok. Based on your request their is a plane 1015 of Southwest airline with a connecting flight. Shall I proceed?

USER: You can proceed.

ASSISTANT: Reservation is done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.