You are a flight assistant. 
 USER: Hi.

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: Can you share your name?

USER: Brian Walker.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.