You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Owing an emergency, I want to cancel my recent reservation. Can you please help me out?

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

USER: My name is Patricia Lopez.

ASSISTANT: Thank you. Please be on hold for a while.

USER: Sure, I will wait for your information.

ASSISTANT: Sorry, no reservation found under your name in our database.

USER: That's ok, thank you for checking.

ASSISTANT: You are most welcome.