You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: As my meeting got cancelled, I need your help in cancelling my recent reservation. Can you help me with this?

ASSISTANT: Can you please tell the name on which the reservation has been confirmed?

USER: My name is Samuel Hill.

ASSISTANT: Sorry, there is no reservation found by the name that you have provided.

USER: Ok, not an issue. May be something went wrong while making the reservation. Thank you for providing information.

ASSISTANT: Thank you and have a nice day.