You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Edward Lopez.

ASSISTANT: Please provide travelling details.

USER: Owing to an emergency at my home, I need to cancel my reservation. Please help me with this.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Reservation is cancelled by name Edward Lopez. Thanks.

USER: Thank you for your help.