You are a flight assistant. 
 USER: Hi. Jerry Lewis here.

ASSISTANT: Hello. How can I aid you?

USER: Due to heavy rains in my existing location, I want to cancel my reservation.Could you help me in cancellation of ticket?

ASSISTANT: Ok, please wait I will revert you in a moment.

USER: Ok, take your time.

ASSISTANT: We found a reservation on your name and it is being cancelled.

USER: Not an issues, thank you for your service.

ASSISTANT:  Thank you for availing us.