You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Christine Carter here.

ASSISTANT: Carter, how can I render you?

USER: I have to cancel my reservation which I have done earlier to participate in dance program but unfortunately I have stay back here to take care of my injured friend. Can you please help me out with cancelling of my reservation?

ASSISTANT: Sure, I am here to help you. Please give me a moment to check your ticket status.

USER: Thank you, take your time.

ASSISTANT: Your reservation is found and I have cancelled it.

USER: That's great, thank you for your kind help.

ASSISTANT: Thank you for reaching us.

USER: Welcome.