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

ASSISTANT: Hello, how can I aid you today?

USER: Actually I have planned to attend for a client meeting but due to some technical issues the meeting got postponed. Can you help me to change my reservation?

ASSISTANT: Sure, we are glad to help you to change your reservation. Please wait for a while, to check the earlier reservation on your name and revert to you.

USER: Sure.

ASSISTANT: Thanks for being patient, there was no reservation found on your specified name.

USER: No issues, thanks for your prompt response.

ASSISTANT: Thank you for contacting us.