You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Owing to an emergency, my boxing championship got postponed. So I want you to change my existing reservation?

ASSISTANT: Sure, may I know your name please?

USER: Sure, I am Ashley Hernandez.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: Thanks for your time, sorry no reservation found with your name.

USER: Ok, no worries at all.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thanks for your help.