You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for today?

USER: Sharon Collins here.

ASSISTANT: Ok.

USER: Due to heavy wind, I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, I will help you with that. Please wait for a while.I will check your reservation.

USER:  Ok.

ASSISTANT: Sorry Sharon, no reservation found on your name.

USER: That's not a big deal.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thank you for your support.

ASSISTANT: You are welcome.