You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I have already a reservation to watch a live football event. Due to bad weather match has been postponed. Can you please change my existing reservation?

ASSISTANT: Sure, can you pleas help me with your name?

USER: Stephanie Clark is my name.

ASSISTANT: Thank you for your details. Sorry, we did not found reservation on your name.

USER: Not an issue. Thanks for your quick response.

ASSISTANT: Thank you for reaching us.