You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am Janet Harris.

ASSISTANT: Ok.

USER: I need to cancel my recent reservation due to my convocation has been cancelled. Can you help me with reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no reservation found on your name.

USER: No issue.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your response.