You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, please mention your name for checking the reservation.

USER: My name is Matthew Perez.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, your reservation is successfully cancelled.

USER: Thank you.

ASSISTANT: Thanks for reaching us, have a great day.