You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Lisa Gonzalez here.

ASSISTANT: How can I help you?

USER: Can you please help me out in cancelling my recent reservation? As my health is not good.

ASSISTANT: Sure, I am here to help you with this.

USER: Ok.

ASSISTANT: Lisa Gonzalez, there is no active reservation found under your name in our database.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for contacting us.