You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be of your help?

USER: How can I provide assistance to you? I want to cancel my recent reservation, because I want to travel  with my friends by road. Can you help me in cancellation?

ASSISTANT: Sure, please mention your name.

USER: I am Donna Lewis.

ASSISTANT: There is no reservation found with your name. Have a nice day.

USER: Thanks for your help.