You are a flight assistant. 
 USER: Hello. My name is Larry Thomas.

ASSISTANT: Hello, how may I aid you today?

USER: I want to cancel my recent reservation due to my health issue. Can you help me in cancellation?

ASSISTANT: Sure, we are gladly here to help you. Please hold a minute, let me check your recent reservation and let you know.

USER: Sure.

ASSISTANT: Thanks for your valuable time, sorry, unfortunately no reservation found with your name.

USER: Ok, Not an issue. Thank you.

ASSISTANT: Thank you for reaching us, have a great day ahead.