You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your name please?

USER: I am Sarah Allen.

ASSISTANT: Ok, how can I help you?

USER: Please cancel my recent reservation. As budget was very high for our planned trip and we are not able to arrange our budget, so can you help me with this?

ASSISTANT: Sure, I am willing to help you. Please wait for a moment, I will check with your reservation.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry we couldn't find any reservation on your name.

USER: Ok, not an issue.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your information.

ASSISTANT: Have a nice day.