You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I aid you?

USER: I am Sharon Parker. Owing to an emergency, I want to cancel my reservation. Can you help me with that?

ASSISTANT: Sure, we will help you. Please wait a moment, I will check your details and get back to you.

USER: Sure.

ASSISTANT: Unfortunately, there is no reservation found on the name Sharon Parker.

USER: Ok, no issues. Thanks for your response.

ASSISTANT: Thank you for contacting us.