You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Anthony Lewis. Actually, I got admitted in a hospital due to some health issues.So I prefer not to travel, could you help me in cancelling my reservation?

ASSISTANT: Sure, I will help you with that,  Anthony Lewis. Please wait for a minute.

USER: Ok, take your time.

ASSISTANT: I am sorry to say that there is no reservation found under your name.

USER: That's ok, no problem. Thank you for helping me.

ASSISTANT: Thank you for contacting us. Have a great day.