You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may 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, can I know your name?

USER: Thank you for consideration and my name is Melissa Johnson.

ASSISTANT: Sorry, no reservation found on your name.

USER: Ok, that's not an issue. Thank you for your quick response.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Welcome.