You are a flight assistant. 
 USER: Hello. I am Scott Lewis.

ASSISTANT: Hello, how can I guide you today?

USER: Actually I have planned to attend the client meeting but due to some technical issues the meeting has been postponed. Help me to change my reservation.

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

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

USER: No issues, thanks for your support.

ASSISTANT: Thank you for opting our service.