You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Stephen Perez. Due to weather conditions, I want to change my recent reservation. Can you help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please give me a minute, I will check the status and revert to you.

USER: Sure.

ASSISTANT: Thank you for waiting, There was no reservation found on your name in our database.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.