You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Michelle Anderson here.

ASSISTANT: How may I help you out?

USER: I want to change my reservation due to my schedule got postponed.

ASSISTANT: Sure, I will help you in changing your reservation.

USER: Thank you.

ASSISTANT: Happy to inform you that your reservation found. Can you please share your dates please?

USER: My planned dates of journey which I want to change are 12/12 and 12/14.

ASSISTANT: Can you provide airport codes too?

USER: Ok, my modified location codes are OAK and HOU.

ASSISTANT: Ok, please wait for a while.

USER: Ok, sure.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for choosing us.