You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Myself Lisa Carter, can you help me to cancel my flight ticket I had done as I can not travel due to heavy rainfall in my location?

ASSISTANT: Sure, I will help you. Please wait for a while, I will check the reservation status.

USER: Ok, please take your time.

ASSISTANT: Sorry, there is no reservation existing on your name.

USER: That is ok, thank you for the information.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.