You are a flight assistant. 
 USER: Hi, I am Cynthia Martinez.

ASSISTANT: Hello, how can I be your helping hand?

USER: I want to cancel my reservation as my project got ramp down and need time. Can you help me in cancelling?

ASSISTANT: Sure, I will help you. Please wait a while. I will check the reservation list and let you know.

USER: Ok.

ASSISTANT: Thanks for your valuable time. There was no reservation found with your given name.

USER: It's Ok.

ASSISTANT: Thank you for contacting us.

USER: Thanks for your response.