You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Baker.

ASSISTANT: How can I help you at this moment?

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

ASSISTANT: Sure, I will help you with that. Please hold on a moment, I will check your previous reservation status.

USER: Ok.

ASSISTANT: There is no previous reservation found under your name.

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

ASSISTANT: Thank you for contacting us, have a good day.