You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you?

USER: Can you please help me in changing my reservation as my plan to go for shopping got delayed?

ASSISTANT: Sure, please provide your name to check the reservation status.

USER: Debra Garcia is my name.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we did not find a reservation with your name.

USER: It's ok, no issue. Thanks for your information.

ASSISTANT: Thank you.