You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Robert Hernandez.

ASSISTANT: Robert Hernandez, how may I assist you today?

USER: Can you please help me in cancellation of my reservation as I can not make my trip due to ill health?

ASSISTANT: Sure, I will help you.

USER: Thank you for considering my request.

ASSISTANT: Please allow me a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Robert Hernandez, I am sorry to say that there is no booking done on your name.

USER: Not a big deal with that, it might not booked properly at the time of booking. Anyways thank you for the information.

ASSISTANT: Thank you for understanding. Thank you for reaching us. Have a great time.