You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Due to bad weather conditions, I cannot attend my meeting. Can you help me to change my existing reservation?

ASSISTANT: Sure, please mention the name for checking the reservation.

USER: Sure, my name is Nicole Green.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: There is no reservation found under your name.

USER: That's ok, thank you.

ASSISTANT: Welcome, have a great day.