You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ruth Martinez here.

ASSISTANT: How may I assist you today?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Sorry to inform you that there is no active reservation found on your given name.

USER: Oh! I think it might be cancelled by my cousin. Anyway, thank you for the information.

ASSISTANT: Thanks for contacting us.

USER: Welcome.