You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Stephanie Carter.

ASSISTANT: How can I aid you at this moment?

USER: Owing to emergency I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, I will help you with this. Please give me a moment to check your reservation status.

USER: Sure.

ASSISTANT: Stephanie Carter, there is no active reservation found under your name in our database.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you for opting us.