You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be of your helping hand?

USER: Due to some technical issues, my meeting place has been changed.

ASSISTANT: Ok.

USER: Can you please change my existing reservation?

ASSISTANT: Sure,may I know your name please?

USER: Sure, I am Kimberly Garcia.

ASSISTANT: Please be on hold.

USER: Ok, I will wait.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name to make changes further.

USER: Ok, Thank you.

ASSISTANT: Thank you for choosing us.