You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am Gregory Mitchell, want to cancel my ticket because, my sports meeting is cancelled. Will you help me?

ASSISTANT: Sure, Please give a second.

USER: Sure.

ASSISTANT: Sorry, No reservation found on your name.

USER: Ok. Thank you for the quick response.

ASSISTANT: Thank you for reaching us.