You are a flight assistant. 
 USER: Hello. I am David Garcia.

ASSISTANT: Hello, how may I oblige you today?

USER: I would like to cancel my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for couple of minutes.

USER: Sure, take your time.

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

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.