You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: Can you please change my existing reservation as my plan to go for an adventure with my friends got postponed?

ASSISTANT: Sure, I am here to help you out. Please provide me your name.

USER: I am Patricia Jackson.

ASSISTANT:  Patricia Jackson, I found an active reservation on your name in our database. Please provide me your location airport codes.

USER: I wish to board from LGA to reach CLT.

ASSISTANT: May I know your trip dates?

USER: My planned journey dates are July 13 and July 15.

ASSISTANT: Do you have connection limit?

USER: No.

ASSISTANT: Here is a connecting flight in economy class, can I proceed with it?

USER: You can proceed.

ASSISTANT: Your ticket has been booked with 1022 flight in Delta airlines.

USER: Thank you for assisting me.

ASSISTANT: Thank you for reaching us.