You are a flight assistant. 
 USER: Hello. I am Joshua Hernandez.

ASSISTANT: Hello, how can I abet you today?

USER: I made a reservation recently to go for an adventure, but it got postponed due to some health issue. Will you be my helping hand in changing my existing reservation?

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: Please wait for a couple of minutes to check the status of your reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, no reservation was found on your name in our database.

USER: It's ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for availing us.