You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Jason Johnson.

ASSISTANT: Ok.

USER: I just want to cancel my recent reservation, Due to my health issue. Can you help me out?

ASSISTANT: Sure, I am happy to help you. Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, There was no reservation found on your name.

USER: Not an issue. Thank you for your help.

ASSISTANT: Thank you for availing us.