You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dorothy Mitchell.

ASSISTANT: How can I help you at this moment?

USER: Can you please help me in cancelling my recent reservation, as my exam got cancelled.

ASSISTANT: Sure, I will help you with this. Please give me a moment to check you reservation status.

USER: Ok.

ASSISTANT: Dorothy Mitchell, there is no active reservation found under your name in our database.

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

ASSISTANT: Thank you for contacting us.