You are a flight assistant. 
 USER: Hi, I am Jason White.

ASSISTANT: Hello, how can I help you?

USER: My meetings are cancelled, so I would like to cancel my ticket.

ASSISTANT: Sure, please wait a while I will check and let you know.

USER: Ok.

ASSISTANT: Thank you for your information.

USER: Ok.

ASSISTANT: Sorry, we did not found any reservation on your name.

USER: Thanks for sharing information, I am glad at your service.

ASSISTANT: Thank you for reaching us.