You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Donna Anderson. Due to some emergency meeting I am unable to attend my friends wedding can you please help me out cancel my recent reservation.

ASSISTANT: Ok, I  am ready to help you. Please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting. we found no reservation with your specifications.

USER: Thank you for the information.

ASSISTANT: Thanks for reaching us.