You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emily Lopez.

ASSISTANT: How may I assist you today?

USER: Actually my Hockey competition has postponed so that I want to cancel my recent reservation.Could you help me?

ASSISTANT: Emily, I cannot find any reservation with your details.

USER: That's ok. Thank you for the help.

ASSISTANT: It's my pleasure.