You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER:  I want to cancel my recent reservation, because I want to travel with my friends on road. Can you please help me out?

ASSISTANT: Sure, may I know your name?

USER: I am Justin Walker.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for contacting us.