You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: My friends and me planned for a round trip, but it was cancelled due to bad weather. Can you check the reservation list with my name Jason Parker?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Are you looking for cancellation or change?

USER: Please cancel my ticket.

ASSISTANT: Sorry, no reservation found with your name.

USER: Thanks.

ASSISTANT: Thank you for choosing us.