You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I need to reschedule my recent reservation as my project work got extended. Can you help me?

ASSISTANT: Sure, May I know your name?

USER: Reservation is made on the name Brandon Adams.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, There was no reservation found on your name.

USER: Ok fine. Thanks for your response.

ASSISTANT: Thank you for choosing us.