You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: As my manager did not approve my leave, I would like to cancel my recent reservation. Can you please help me out with that?

ASSISTANT: Yes, can you tell me your name?'.

USER: Thank you for accepting my request. I had reserved it on the name of Pamela Martinez.

ASSISTANT: I have cancelled your reservation successfully.

USER: That's great, thank you for your help.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.