You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Nicole Wright.

ASSISTANT: Yes, Wright.

USER: My health is not good to travel in my previous ticket booked dates, can you cancel my existing ticket?

ASSISTANT: Sure Nicole, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, no reservation found. Thank you for reaching us.

USER: Thank you.