You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Owning to an emergency I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, I am here to help you for this.  Let me check your reservation status in our database.

USER: Thank you.

ASSISTANT: For cancelling the reservation. May I know your name please?

USER: Sure, I am Frank Thompson.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I found your reservation. Shall I cancel it?

USER: Ok, please cancel.

ASSISTANT: Your reservation is cancelled successfully with your criteria.

USER: Thank you.

ASSISTANT: Thank you very much for contacting our agency.