You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help 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: Please may I know your name?

USER: Ok, my name is Rebecca Walker.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that, there are no reservation found on your name.

USER: Ok, no problem. Thank you for your response.

ASSISTANT: Thank you for opting us.