You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to cancel my previous flight ticket booking due to some health issues, can you please help me?

ASSISTANT: Sure, may I know your name to check the reservation?

USER: Thank you for considering my request and my name is Linda Thompson.

ASSISTANT: Sorry, there is no reservation with your given name.

USER: Not a problem with that one, thank you for your information.

ASSISTANT: Thank you for reaching us.

USER: Welcome.