You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joshua Harris.

ASSISTANT: Harris, how can I help you today?

USER: I need to modify my reservation as I have done with the wrong destination city. So, can you help me about that?

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Thank you for considering my request. Sure, I will be waiting for your response.

ASSISTANT: Harris, I found your reservation. Please mention your travelling dates.

USER: That's good to hear, my travelling dates are 01/31 and 02/02.

ASSISTANT: May I know your airport codes please?

USER: Sure, my airport codes are DTW and MSP.

ASSISTANT: Ok, please wait for a moment. There is a connecting flight with fare 100, the number is 1019 in airline Delta.

USER: Yes, it suits my requirements and go ahead with the booking.

ASSISTANT: Harris, your ticket is booked successfully.

USER: Thank you for booking my flight ticket in flight 1019.

ASSISTANT: You are welcome.