You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Edward Perez. I want to change my reservation, due to heavy rainfall in New York, can you help me?

ASSISTANT: Ok, please wait for some time.

USER: Sure.

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

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

ASSISTANT: Thank you for reaching us. Have a nice day.