You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I am Rebecca Gonzalez, I am unable to travel right now due to health issues, so can you help me for cancelling my recent reservation?

ASSISTANT: Sure, I will help you with the flight ticket cancellation.

USER: Thank you.

ASSISTANT: Thanks for waiting. I have found your flight reservation and hence I am cancelling it.

USER: Ok.

ASSISTANT: Thanks for reaching to us.

USER: Most welcome.