You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Andrew Harris. Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, I am here to help you.

USER: Ok, thank you.

ASSISTANT: Please give me a moment to check your reservation status.

USER: Ok, I will wait for your reply.

ASSISTANT: Sorry, there is no reservation found on your name in our records.

USER: Ok, thanks for your information.

ASSISTANT: Thank you for reaching us.