You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Turner.

ASSISTANT: Larry, how can I assist you?

USER: Owing to an urgency, I would like to cancel my recent reservation. Can you help me with this?

ASSISTANT: Sure, please wait for a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Larry, there is no reservation found with your details.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you for contacting us.