You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Deborah Scott. I need to change my existing reservation as my dates of journey are postponed. Will you help me in changing my reservation?

ASSISTANT: Ok, let me check and revert you.

USER: Ok.

ASSISTANT: We found a reservation on your name.

USER: Ok.

ASSISTANT: Could you please provide your updated travel dates?

USER: I will start from MSP and return from DTW. 03/13 - 03/15 are my dates of travel.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: There is an Frontier airline with flight number 1001 and price of 100 is available for you.

USER: Proceed with my booking.

ASSISTANT: Your reservation has been changed.

USER: Thank you for kind service.

ASSISTANT: Thank you for choosing us.