You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Barbara Moore.

ASSISTANT: Barbara Moore, how may I assist you today?

USER: Owing an emergency, I want to cancel my reservation. Can you help me for that?

ASSISTANT: I will help you by cancelling the flight ticket.

USER: Thank you.

ASSISTANT: Please allow me a minute your time.

USER: Sure, I will wait for your response.

ASSISTANT: Barbara Moore, I have successfully cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. Have a great time.

USER: Welcome.