You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your name please?

USER: Yes, I am Margaret Miller.

ASSISTANT: How may I support you today?

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 please?

ASSISTANT: Sure, please wait a moment I will check the reservation list.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, we found a reservation on this name. Shall I cancel the ticket?

USER: Yes, please.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you.

ASSISTANT: Thanks for approaching us.