You are a flight assistant. 
 USER: Hello, myself Gregory Adams.

ASSISTANT: Hello, how may I help you?

USER: I wanted to cancel my recent reservation, as I have fever, can you please help me in booking my ticket?

ASSISTANT: Sure, wait for a minute.

USER: Sure, take your time.

ASSISTANT: Sorry Adams, no reservation found on your name.

USER: Sure, thank you for checking.

ASSISTANT: Thank you for contacting us.