You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Sarah Rodriguez. My match has been postponed due to climatic conditions, can you change my reservation?

ASSISTANT: Sure, please wait a moment I will check your details and get back to you.

USER: Ok, take your time.

ASSISTANT: Sorry Sarah, I did not find any reservation on your name.

USER: That's fine. Anyway, thank you for your help.

ASSISTANT: Thank you for choosing us, have a nice day.