You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Elizabeth Green here.

ASSISTANT: How may I aid 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 here to help you in that.

USER: Thank You.

ASSISTANT: Please give me a moment to check your reservation status.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found on your name in our records.

USER: That's ok, thank you.

ASSISTANT: Welcome.