You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Jason Baker.

ASSISTANT: How may I assist you today?

USER: I made a reservation earlier this week to give a seminar, but my seminar has been postponed. Can you please change my existing reservation?

ASSISTANT: Sure, I will try to change your reservation, please wait for a minute.

USER: Ok, I will wait for your response.

ASSISTANT: Based on your request, I found a reservation with your name, can you please let me know your travelling dates?

USER: Sure, my trip dates are 11/06 and 11/08.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: My airport codes are DTW to DTW.

ASSISTANT: Please wait for a minute, let me check.

USER: Sorry, DFw is my destination location.

ASSISTANT: Sorry Jason, I could not find any flight with your travel dates.

USER: Ok.

ASSISTANT: I found a flight with 0 connection to visit DFW, shall I proceed with this?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1026.

USER: Thank you.

ASSISTANT: My pleasure.