You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Kenneth Taylor. My meeting got postponed so, I want to change my reservation. Can you help me with changing?

ASSISTANT: Sure I am here to help you. Please, wait for some time, I will check and get back to you.

USER: Ok.

ASSISTANT: Unfortunately, there is no reservation found on your name. Sorry for the inconvenience.

USER: Ok, no issues.

ASSISTANT: Thanks for contacting us. Have a good day.

USER: Thank you for your quick response.