You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Ok, may I know your name?

USER: Thank you. Please check the reservation with my name Timothy Lee.

ASSISTANT: Ok, please allow me to check with availability of your booking.

USER: Sure, take your time.

ASSISTANT: I am very sorry to say, there is no flight reservation available by your name.

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

ASSISTANT: Thank you for contacting us.

USER: Most welcome.

ASSISTANT: Have a nice day ahead.