You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Yesturday I have booked a ticket for Houston but your agent misplaced my origin code from Houston to Boston. Can you please help me to cancel my recent reservation?

ASSISTANT: Sure, may I know your name?

USER: My name is Eric Green.

ASSISTANT: Please wait for a while, I will check and revert you.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's not a problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.