You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Gary Jackson.

ASSISTANT: How may I assist you?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Sure, please check.

ASSISTANT: Gary, no reservation has been found on your name in our database.

USER: That is fine, not an issue. Thank you for your help.

ASSISTANT: Thank you for choosing us.