You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I have reserved a flight ticket in the month of May to enjoy my summer holidays but due to health problem I am unable to enjoy the trip, can you please help me in flight ticket cancellation?

ASSISTANT: Sure, may I know your name for checking?

USER: Thank you for your positive response and I have booked the flight ticket on my name Alexander Baker.

ASSISTANT: Give me a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: I think the ticket must be cancelled by my mother that she have notice that I am unable to travel the planned trip. Anyways, thank you for your help in providing your information.

ASSISTANT: Thank you for reaching us.