You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you?

USER: I am Donald Lee want to change my reservation as my trip got postponed, so can you please help me with it?

ASSISTANT: Sure. Wait a minute. Thanks for waiting, There is reservation found on your name. Can you provide new journey dates?

USER: Ok, I have planned to travel on 11/22 and 11/24.

ASSISTANT: May I know your airport codes?

USER: My airport codes are PA-PHL and NC-CLT.

ASSISTANT: There is a flight 1027 in Frontier airline and price 100 with 1 connection. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.