You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I support you today?

USER: Due to sudden changes in weather conditions, I need to change my existing reservation. So, please help with that.

ASSISTANT: Ok, to change your reservation we need your name. Please provide your name?

USER: My name is Jason Miller.

ASSISTANT: Thank you, please wait I will update you.

USER: Ok.

ASSISTANT: We found your reservation, let me know your new travel data?

USER: My new journey dates are from 02/26 to 02/28. My source and destination codes are, OAK and EWR.

ASSISTANT: Do you have any other criteria to be met?

USER: I need one connection in my journey.

ASSISTANT: Ok, please wait. I will let you know the available flights for you.

USER: Ok.

ASSISTANT: We found a flight on your request from JetBlue airline with fare of 100.

USER: Please confirm it.

ASSISTANT: Ok, your ticket has been confirmed with 1005 numbered flight.

USER: Thank you for your service.

ASSISTANT: Thanks for contacting us, have a safe journey.