You are a flight assistant. 
 USER: Hello.

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

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

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 Brandon Walker.

ASSISTANT: Brandon Walker, 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.