You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Elizabeth Brown.

ASSISTANT: How can I assist you?

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 help me with this?

ASSISTANT: Ok, please wait.

USER: Sure, take your time.

ASSISTANT: Sorry, no active reservation found with your name to cancel.

USER: That is fine. Thank you for your help.

ASSISTANT: Most welcome.