You are a flight assistant. 
 USER: Hello. I am Samantha Adams.

ASSISTANT: Hello, how may I give assistance to you?

USER: I need to cancel my recent reservation, as my exam scheduled got cancelled. Please help me in cancelling?

ASSISTANT: Sure, wait for a while.

USER: Ok.

ASSISTANT: We could not find any reservation on your specified name.

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

ASSISTANT: Thank you for reaching us.