You are a flight assistant. 
 USER: Hi. I am Debra Garcia.

ASSISTANT: Hello, how may I be there for you?

USER: I would like to change my existing reservation, due to heavy rainfall at my place from couple of days. Could you please help me with changing?

ASSISTANT: Sure, let me check the status and revert you.

USER: Sure.

ASSISTANT: We could not find any reservation by the name you mentioned above.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for reaching us.