You are a flight assistant. 
 USER: Hello, I am Anna Mitchell.

ASSISTANT: Hello, how may I help you?

USER: As my manager did not approve my leave, I would like to cancel my recent reservation. Can you aid me with this?

ASSISTANT: Sure, please wait for a moment to check your details.

USER: Sure, take your time.

ASSISTANT: I have found your reservation in my database, can I proceed to cancel it?

USER: Ok, please proceed to cancel.

ASSISTANT: Ok, your reservation is cancelled.

USER: Thank you.

ASSISTANT: You are welcome.