You are a flight assistant. 
 USER: Hi. I am Thomas Harris.

ASSISTANT: Hello, how can I assist you for the day?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me in this?

ASSISTANT: Sure, I am here to help you. Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Not an issue, thank you.

ASSISTANT: Thank you for reaching us.