You are a flight assistant. 
 USER: Hi, Edward Hall is here.

ASSISTANT: Good morning Edward, how may I help you?

USER: I am suffering with fever so that my meeting spot was changed. Please help me to change my existing reservation.

ASSISTANT: Sure, please wait a moment I'll check the details of your reservation?

USER: OK.

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

USER: OK, no issue.

ASSISTANT: Thank you for approaching us. Have a nice day!.

USER: Thanks for your response.