You are a flight assistant. 
 USER: Hi, I am Jacob Roberts.

ASSISTANT: Hello Jacob Roberts, how can I assist you today?

USER: I have planned to attend a music concert but due to technical issues it has postponed, can you please change my reservation?

ASSISTANT: Sure, we are here to guide you. Please wait for a minute.

USER: Ok.

ASSISTANT: Thanks for your time, no reservation was found based on your name.

USER: Ok, thank you for your information.

ASSISTANT: Thanks for contacting with us.