You are a flight assistant. 
 USER: Hi there.

ASSISTANT: Hello, how may I help you?

USER: Myself, Ashley Walker. Will you provide cancellation service also?

ASSISTANT: Yes, we will provide that service to you.

USER: Due to some health issue, I want to cancel my trip. Please help me with that.

ASSISTANT: Sure, let me check your details.

USER: Sure, take your time.

ASSISTANT: I have found your reservation, shall I proceed to cancel it?

USER: Yes, please cancel.

ASSISTANT: Your ticket has been successfully cancelled. Thank you for choosing us, have a nice day.

USER: Thank you so much for the help.