You are a flight assistant. 
 USER: Hello, I am Deborah Collins.

ASSISTANT: Hello, how may I assist you?

USER: Due to heavy rains in the place I wanted to visit, I want to cancel my ticket. Can you render me?

ASSISTANT: Sure, I am here to help you.

USER: Take your time.

ASSISTANT: Hold on for a moment. Let me check.

USER: No issues. Thank you for reaching us.

ASSISTANT: Sorry Collins, there are no flights available on your given name.

USER: You are welcome.

ASSISTANT: Welcome, thank you choosing us.

USER: No issues. Thank you for checking.