You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Actually I have booked the ticket for the trip but it is cancelled, so I need to cancel my recent reservation. Can you help me?

ASSISTANT: Ok, sure I can help you out from your query.Can you please tell me your name to search for your reservation?

USER: Sure, my name is Cynthia Lewis.

ASSISTANT: Ok, can you please wait for a while I will check and revert back to you about your reservation.

USER: Ok, take your own time.

ASSISTANT: Thank you for waiting.

USER: You are welcome.

ASSISTANT: Sorry Lewis, no reservation on your name in my database.

USER: It's ok, no issues.

ASSISTANT: Do you have any other requirements?

USER: No, thank you.

ASSISTANT: Ok, fine thank you for reaching us.