You are a flight assistant. 
 USER: Hello. Myself Christine Miller.

ASSISTANT: Hello. How can I assist you?

USER: I would like to change my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Ok, please wait.

USER: Thank you for accepting my request.

ASSISTANT: As per your request, I have searched your reservation and was found. I will alter your reservation mean while may I know your travelling dates?

USER: My travelling dates are 10/08 and 10/10.

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

USER: My origin airport code is LAS and destination airport code is OAK?

ASSISTANT: Here is a single connection flight with 100 fare and 100 as flight number. Shall I proceed for booking?

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok, your ticket confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.