You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I am Edward Hall.

ASSISTANT: Thanks for providing your name.

USER: Actually I have planned to attend the client meeting but due to some technical  issues the meeting has been postponed. Could you please help me in changing the reservation?

ASSISTANT: Ok. I am here to help you, Please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: No issues, thank you for your valuable time which you have spent for me.

ASSISTANT: Thanks for reaching us and have a nice day.