You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I best oblige you today?

USER: Please cancel my previously booked ticket, As budget was very high for our planned trip and we are not able to arrange our budget. So, Can you please help me with this?

ASSISTANT: Sure, we are here to help you to cancel it.

USER: Thank you.

ASSISTANT: Kindly mention you name to check with your reservation.

USER: Sure, please check my reservation on the name of Jason Miller.

ASSISTANT: Thanks for providing your name. Please wait for a couple of minutes, to check the present status of your reservation and revert to you.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for being patient, we did not find any reservation on your specified name to cancel it.

USER: Ok. Thank you for your kind information.

ASSISTANT: Thank you for reaching us, we hope to serve you again.