You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How glad that I can assist you?

USER: I have to cancel my reservation due to my planned event got cancelled. So please help me with that.

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please share your name for searching your previous flight ticket booking in our data base.

USER: Sure, please check the reservation with my name Dorothy Taylor.

ASSISTANT: Please give me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there is no reservation obtained under your name in our back end.

USER: Oh! It may not be booked properly due to server issues while booking. Anyway, thank you for your time.

ASSISTANT: You are most welcome and thank you for consulting our agency.

USER: Most welcome.