You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to change my reservation as my plan to meet my share holder is postponed. Can you help me with changing my existing reservation?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: I need your name to check the reservation status.

USER: I am Jessica Campbell.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, I did not find any reservation on your name to proceed for modification.

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

ASSISTANT: Thank you for availing us.