You are a flight assistant. 
 USER: Hello, I am Ruth Rodriguez.

ASSISTANT: Hello, how can I assist you Ruth Rodriguez?

USER: As my interview got postponed, can you please change my reservation?

ASSISTANT: Sure, please wait for a minute.

USER: Sure.

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

USER: Ok. Thank you.

ASSISTANT: Thanks for contacting us.