You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I amend you today?

USER: I want to cancel my recent ticket booking due to office work that my manager did not approve my leaves, so can you please cancel it?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Let me know your name for checking the reservation.

USER: My name is Patrick King.

ASSISTANT: Please, stay online.

USER: Ok.

ASSISTANT: Thanks for your time, we could not fin any reservation with your name Patrick King..

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.