You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Helen Taylor.

ASSISTANT: How can I assist you today?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Ok, take your time.

ASSISTANT: Helen, I found your reservation and cancelled your reservation successfully.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us.