You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Karen Garcia here.

ASSISTANT: How may I help you?

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

ASSISTANT: Sure, please be on hold.

USER: Sure, take your time.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name to cancel.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us. Have a nice day.