You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need you to cancel my recent reservation. Please help me.

ASSISTANT: Sure, I am here to assist you. Please tell me your name.

USER: My name is Stephanie Walker.

ASSISTANT: Thank you. Please stay online for a while.

USER: Sure, I will wait.

ASSISTANT: Sorry, I did not find any reservation under your name in our database.

USER: That's ok. Thank you.

ASSISTANT: You are welcome and thank you for choosing us.