You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I serve you today?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, I'll try to help you with this.

USER: Thank you.

ASSISTANT: Can I know your name to check the reservation status?

USER: Jonathan Allen.

ASSISTANT: Thank you for waiting, sorry to inform you that there is no reservation found by this name.

USER: That's Fine. Thank you.

ASSISTANT: Thank you for availing us.