You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Owing for an emergency, I would like to cancel my flight reservation. Can you please help me out?

ASSISTANT: Sure, can you please provide me your name to check the reservation?

USER: Thank you. I am Timothy Young.

ASSISTANT: Sorry, there is no reservation with your given name.

USER: Oh! No problem, thank you for checking.

ASSISTANT: Thank you for reaching us.