You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jerry Martin.

ASSISTANT: How may I assist you today?

USER: Can you cancel my recent reservation, which I have done?

ASSISTANT: Sure, please wait for a minute.

USER: Sure, take your time.

ASSISTANT: I could not find any reservation with your name.

USER: Thanks for your information.

ASSISTANT: Thanks for choosing us.