You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Dorothy Perez.

ASSISTANT: How can I assist you today?

USER: Owing to an emergency, I want to cancel my reservation. Could you help me in the cancellation?

ASSISTANT: Sure, we are here to aid you. Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found on your name Dorothy Perez.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for availing us.