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

ASSISTANT: Hello, how can I support you today?

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

ASSISTANT: Sure, we are here to assist you.

USER: Thank you.

ASSISTANT: Please give me a minute, I will check the status of your reservation and revert to you.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting.

USER: My pleasure.

ASSISTANT: We are sorry to inform you that there was no reservation found on your given name.

USER: Not a problem, thank you.

ASSISTANT: Thank you for contacting us.