You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent ticket because the trip got cancelled. Can you please help me?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can I have your name?

USER: My name is Rebecca Hernandez.

ASSISTANT: Sorry to say that, there is no reservation found on your name.

USER: It's ok, thank you for helping me.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.