You are a flight assistant. 
 USER: Hello, I am James Walker.

ASSISTANT: Hello, how can I help you?

USER: Due to heavy rain, I want to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: There is no reservation with your name.

USER: No issue.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the information.