You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Hernandez.

ASSISTANT: How can I Help you?

USER: I need to cancel my reservation as my plan to go for trekking got cancelled. Can you help me?

ASSISTANT: Sure, I am here to help you. Please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry we didn't find any reservation on your name.

USER: That's Ok, thanks for your response.

ASSISTANT: Thank you for reaching us, have a good day.