You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brian Taylor here.

ASSISTANT: How can I aid you?

USER: Owing to an emergency, I have request you to cancel my reservation. Can you please help me out?

ASSISTANT: Ok, can you please tell me your name?

USER: Sure, my name is Brian Taylor.

ASSISTANT: Your reservation has been cancelled and your refund amount will be sent to your back account in 2 to 3 working days.

USER: I will appreciate your service, thank you for help.

ASSISTANT: Thank you for reaching our agency.

USER: Welcome.