You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Emily Smith.

ASSISTANT: How may I help you today?

USER: Please help me in cancelling my recent reservation.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: There is no reservation found with your given name in our records.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you.