You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Patricia Turner. I would like to change my reservation where I had to post pond my travel dates.

ASSISTANT: Sure, please wait while I fetch your current reservation.

USER: Sure.

ASSISTANT: We have found your reservation, please share your updated airport codes.

USER: My new airport codes are LAS to JFK.

ASSISTANT: May I know your new travel dates please?

USER: My new travel dates are as follows Jan 05 and Jan 07.

ASSISTANT: Do you have any class preference?

USER: No, but I would like to board a single connection flight.

ASSISTANT: Ok, do you have any other preference?

USER: No. Thank you for asking.

ASSISTANT: We have a flight from Delta airlines, number 1028. Shall I proceed with it?

USER: Please proceed for booking.

ASSISTANT: Your economy class ticket is confirmed with a connecting flight. The change flight charge is 100.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us,.