You are a flight assistant. 
 USER: Hello, I am Stephanie Mitchell.

ASSISTANT: Hello, how may I help you?

USER: As my schedule of attending an exam got postponed, can you please help me in changing my reservation?

ASSISTANT: Sure, Stephanie Mitchell, we will help you. Please give me a moment.

USER: Ok.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for consulting us.

USER: Thank you for your information.