You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Owing to an emergency, my badminton tournament has been cancelled. And rescheduled to future dates, so I had a request to you to change my existing reservation?

ASSISTANT: Ok, on which name you reserved the ticket?

USER: Sure, my name is Amy Garcia.

ASSISTANT: There is no reservation found with your name.

USER: Ok, no worries at all. Thanks for your assistance.

ASSISTANT: Thank you.