You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emily Johnson.

ASSISTANT: How may I help you?

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

ASSISTANT: Sure, please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, I could not find any ticket booked with your name.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you, have a nice day.