You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can i help you today?

USER: Please change my reservation on the name of Helen White.

ASSISTANT: Ok, We found a reservation on your name, please let us know your new journey details?

USER: Sure, my journey dates are on 07/04 to 07/06.

ASSISTANT: Ok, your travelling airport codes?

USER: My airport codes are from DC - DCA to FL - MCO.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, flight- 1027, airline- Jetblue, price- 200 matches your requested details. Shall I proceed?

USER: Sure, you can proceed.

ASSISTANT: Ok, your ticket has been reserved.

USER: Ok, thanks for your kind service.

ASSISTANT: Thank you for connecting with us.