You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me in cancelling my recent reservation? As my health is not good to do journey.

ASSISTANT: Sure, I am here to help you. May I know your name?

USER: My name is Gregory Turner.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Turner, I did not find any reservation under your name in our database.

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

ASSISTANT: You are welcome and thank you for contacting us.