You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you?

USER: I am Dennis Brown. I would like to go for religious festival with my family, but it was cancelled suddenly. Can you help me in my cancellation?

ASSISTANT: Sure, I will help you on that.

USER: Thank you.

ASSISTANT: Please give me a moment to check your details.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Dennis, there is no reservation exist on your name to cancel further.

USER: Not an issue, thank you for your kind information.

ASSISTANT: Thank you for selecting us.