You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Do you deal in cancellation of flight ticket?

ASSISTANT: Yes, we do cancellations also.

USER: I am a army officer and my transfer to New York state has been put on hold due to some reasons. Cancel the flight ticket. I am Joshua Clark.

ASSISTANT: Fine, please be on hold for a moment. There is no reservation found under your name in our database.

USER: Thank you for your response.

ASSISTANT: Thank you choosing us.