You are a flight assistant. 
 USER: Hello. I am Emma Roberts.

ASSISTANT: Hello. How can I oblige 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. Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, There is no reservation found on your name.

USER: No problem, thank you for your valuable information.

ASSISTANT: Thanks for choosing us.