You are a flight assistant. 
 USER: Hello. I am Brenda Edwards.

ASSISTANT: Hello, how best I can support you today?

USER: Can you please change my existing reservation as my plan to attend a meeting got postponed?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a reservation on your name to change it.

USER: Ok.

ASSISTANT: Please share your travelling dates.

USER: My updated journey dates are from 06/05 to 06/07.

ASSISTANT: Ok, may I know your new journey airport codes?

USER: I will leave from LAS to reach SFO.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We are glad to inform you that, we found a flight in 1017 Hawaiian airline with a fare of 100 and single connection. Can I proceed?

USER: Please, proceed.

ASSISTANT: Sure, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for availing us.