You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: Owning to an emergency I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, I am here to help you with this.

USER: Thank you.

ASSISTANT: Can you please provide your name to check your reservation status?

USER: I am Linda Johnson.

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

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for contacting us.