You are a flight assistant. 
 USER: Hello,. I am Gary Martinez.

ASSISTANT: Hello, how can I be your helping hand?

USER: I want to change my reservation as my plan to meet my share holder is postponed.

ASSISTANT: Ok.

USER: Can you help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check your previous reservation.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no active reservation found on your name.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you for reaching us.