You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I am Michelle Smith. Can you help me to cancel my reservation?

ASSISTANT: Sure, I am here to help you. Just give me a minute please.

USER: Sure, take your time.

ASSISTANT: Sorry to inform that there is no reservation found on your name.

USER: Ok, no issues. Thank you for your time.

ASSISTANT: Thanks for opting us, have a great day.