You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I assist you?

USER: I am Katherine Lewis. I made a earlier reservation to attend a seminar, due to some security issues it got postponed, can you please change my reservation?

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: I have found your reservation. Can you please tell me your new travellings dates?

USER: Ok, my journey dates are on May 30th and June 1st.

ASSISTANT: Mention your travelling new airport codes?

USER: My airport codes are, DFW to CLT.

ASSISTANT: Do you have any requirements?

USER: My depart time in the morning. I need a connecting flight.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in JetBlue airlines and the fare of your ticket will be 100. Do you like me to proceed your booking with this flight?

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your ticket confirmed with 1020 flight number.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.