You are a flight assistant. 
 USER: Hello. I am Eric Harris.

ASSISTANT: Hello, how can I help you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, I am glad to help you.

USER: Ok.

ASSISTANT: Sorry, there is no reservation with your name to cancel further.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: You are welcome.