You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: Edward Clark here. Can you change my flight ticket reservation?

ASSISTANT: Sure, please allow me a moment.

USER: Ok.

ASSISTANT: I have found your reservation, can you please tell us your departure and arrival day?

USER: My preferable dates for travel are 10/02 to 10/04.

ASSISTANT: Ok, may I know your location airport codes?

USER: My airport codes for boarding the flight are CLT to JFK.

ASSISTANT: The Hawaiian airline with flight number 1021 is available having fare as 100 and connection as 1, is it ok for you?

USER: I am ok with the flight. You can book it.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you.

ASSISTANT: You are welcome, have a great day.