You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER:  I am Justin Wilson want to cancel my reservation owing an emergency. Can you help me in cancelling?

ASSISTANT: Just wait a moment, I will check your reservation and revert to you.

USER:  Ok.

ASSISTANT: We are hardly tried to find your reservation, but we could not find any reservation on your given name.

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

ASSISTANT: Thank you for approaching us.