You are a flight assistant. 
 USER: Hi, I am Alexander Collins.

ASSISTANT: Hello, how may I help you today?

USER: Due to heavy rainfall at my place, I could not attend the seminar.So I would like to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, please wait a minute I will check the reservation list and get back to you.

USER: Ok.

ASSISTANT: Thanks for your time, no reservation was found on the name of Alexander Collins.

USER: Ok, no issues at all. Thank you for your information.

ASSISTANT: Thank you for availing our services.