You are a flight assistant. 
 USER: Hi. I am Amy Hernandez.

ASSISTANT: Hello, how can I help you today?

USER: I want to reschedule my recent reservation as my plan for an adventure trip got postponed. Can you help me?

ASSISTANT: Ok, let me check with your previous reservation first.

USER: Sure.

ASSISTANT: Sorry Amy, no reservation was found by your name.

USER: No issue, thank you.

ASSISTANT: Thank you for choosing our services. Have a great day ahead.