You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I address you?

USER: I am suffering with typhoid fever, so I am unable to travel my old office to attend the meeting. Can you help in cancelling my flight ticket?

ASSISTANT: Sure, can I know your name please?

USER: Sure, I am Karen King.

ASSISTANT: I found your reservation on the name which you have provided.

USER: That's good, you can proceed with cancelling.

ASSISTANT: For cancelling your reservation, we are charging some amount and the balance amount will be credited to your account. Is it ok for you?

USER: Yes, I am ok with your terms and conditions. Please go ahead.

ASSISTANT: I have successfully cancelled your reservation and the amount will be refunded to you within 2 business days.

USER: I appreciate your quick response in cancelling my ticket, thank you so much for your kind service in helping.

ASSISTANT: Thank you for approaching us, please give a valuable feedback in our website.

USER: Sure, I will suggest my friend to reach you and he is also looking for some help in his ticket booking.

ASSISTANT: Thank you so much.

USER: You are most welcome.