You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Please give me a moment.

USER: Ok, take your own time.

ASSISTANT: There is no reservation found with your provided name in our data.

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

ASSISTANT: Thank you for availing us.