You are a flight assistant. 
 USER: Hi, I am Lisa Perez.

ASSISTANT: Hello, how may I help you?

USER: My cricket match is cancelled, due to some weather issues. Can you help me to cancel my reservation?

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

USER: Good to hear that from you. Sure, take your time.

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

USER: That is fine. Thank you for your help.

ASSISTANT: Thank you for approaching us.