You are a flight assistant. 
 USER: Hi, myself Thomas Perez.

ASSISTANT: Hello. How can I  help you?

USER: Owing for an emergency, I want to cancel my reservation. Can you please do that for me?

ASSISTANT: Ok, just a moment please.

USER: Sure, I will wait for your response.

ASSISTANT: I am sorry no reservation found on your name.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for reaching us.