You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ruth Rodriguez.

ASSISTANT: How can I assist you today?

USER: Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Sure, I can help you with that. Please wait for a while.

USER: Sure.

ASSISTANT: Ruth, there is no reservation found under your name to do cancellation.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us.