You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Donald Baker here.

ASSISTANT: How can I guide you?

USER: I would like to cancel my reservation due to cancellation of my meeting, can you please help me?

ASSISTANT: Sure, give me a minute.

USER: Ok, please inform me my status.

ASSISTANT: On your request, I cancelled your reservation.

USER: Oh! That's ok, no problem with it.

ASSISTANT: Thank you for opting us.

USER: Most welcome.