You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I want to change my existing reservation due to bad weather conditions. Can you please help me with this?

ASSISTANT: Sure, can you share me your good name to proceed further?

USER: Myself Jacob Gonzalez.

ASSISTANT: I am sorry to say you that there is no reservation found under your name in our database.

USER: Ok, no problem. Thank you for checking.

ASSISTANT: Thank you for reaching us.