You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: My name is Mary Allen, I have no time to cancel my recent reservation. Can you help me in cancelling my ticket?

ASSISTANT: Sure Allen. Please wait for a minute. Thank you for your patience. Allen, there is no reservation found with your details.

USER: No issues.

ASSISTANT: Thank you for reaching us.

USER: Thank you for checking.