You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: I am Christopher Gonzalez.

ASSISTANT: How can I oblige 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: Give me a minute, I will check with reservation and revert to you.

USER: Ok.

ASSISTANT: Thanks for your time, we found a reservation with your name. Shall I cancel it?

USER: Yes, please cancel it.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for your support.

ASSISTANT: Thank you for assisting me.