You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: Due to bad weather conditions, I want to change my existing reservation. Can you help me out?

ASSISTANT: Sure, I will help you with that but I need your name to check that reservation.

USER: Sure, my name is Amanda Baker.

ASSISTANT: Sorry, I could not find any reservation with your name in our database.

USER: That's ok, thank you.

ASSISTANT: My pleasure.