You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: My scheduled examination dates has been postponed, could you please help me with changing my recent reservation?

ASSISTANT: Sure, I will help you with that, I need your name to check the reservation details.

USER: My reservation was done under the name Samantha Hernandez.

ASSISTANT: I could not find any reservation with your name in our database.

USER: That's ok, no issues. Anyways, thank you for the information.

ASSISTANT: It's my pleasure, have a great day.