You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Owing to an emergency I had to request you to cancel my reservation. Can you help me out?

ASSISTANT: Ok, I need your name to check it out.

USER: My name is Benjamin Turner.

ASSISTANT: Sorry Benjamin Turner, there is no reservation found in our database with your name.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for contacting us.