You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Due to heavy rains my match has been postponed. Can you please change my existing reservation? My name is Susan Thompson.

ASSISTANT: Sure, please wait a minute.

USER: Ok, I will wait.

ASSISTANT: There is no reservation with your name.

USER: Ok, no issue. Thanks for your information.

ASSISTANT: Thank you for reaching us.