You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Catherine Hernandez.

ASSISTANT: Catherine, how may I help you?

USER: I want to cancel my reservation, can you help in that?

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Sure.

ASSISTANT: Sorry, no reservation is available by your name.

USER: That's ok.

ASSISTANT: Thank you for contacting us.

USER: Thank you.