You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me in changing my recent reservation? As my visiting place is full of floods now.

ASSISTANT: Sure, may I know your name to check your reservation status?

USER: Sure, my name is Carolyn Turner.

ASSISTANT: Ok, please give me a moment.

USER: Sure, I'll wait for your response.

ASSISTANT: Sorry, there is no reservation found on your name in our records.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for reaching us.