You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Raymond Brown. 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 am glad to help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your previous reservation status.

USER: Sure, take your time.

ASSISTANT: As per your request, I have successfully cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching to our services, hope you have a great day.