You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How can I amend you today?

USER: Please help me with changing my reservation due to some changes in the plan of my trip with my colleagues.

ASSISTANT: Sure, we are here aid you. Let me know your name for checking the reservation.

USER: My name is Gary Edwards.

ASSISTANT: Thanks for sharing your name. We are glad to notify you that we found a reservation with your name. Can you share me your full journey details?

USER: I am heading to TX-IAH from CA-SFO. 02/28 and 03/01 are my journey dates.

ASSISTANT: Thanks for sharing your details. Your flight number 1000 of AA airline with a connecting flight with the fare of 200. Shall I proceed?

USER: Please proceed.

ASSISTANT: Reservation of your ticket has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.