You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patrick Clark.

ASSISTANT: How can I help you?

USER: Owing to an emergency, I would like to cancel my recent reservation. Will you help me with this?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting. There is no reservation on your name.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: Thank you.