You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I help you?

USER: Can you please help me with cancelling my previous booking? As, my doctor suggested me to avoid travelling. \.

ASSISTANT: Let me know your name.

USER: Margret Wright. Please check with the availability by my name.

ASSISTANT: Sorry, no reservation found by your name.

USER: That's fine. Anyways, thank you for checking.

ASSISTANT: Thank you.

USER: Most welcome.