You are a flight assistant. 
 USER: Hello, I am Steven Hernandez.

ASSISTANT: Hello, how may I serve you at this moment?

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, I will aid you. Please stay online for a moment.

USER: Sure, take your time.

ASSISTANT: Yes, I have found your reservation. Shall I cancel it?

USER: Ok, please proceed to cancel.

ASSISTANT: Your booking is cancelled successfully. Have a nice day.

USER: Thank you.

ASSISTANT: You are welcome, thank you for reaching us.

USER: Welcome.