You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I will be cancelling my flight due to some financial issues with my family. Can you help me with it?

ASSISTANT: Sure, can I know your name for cancelling?

USER: Is there any extra charges for cancelling the tickets, let me know? My name is Michelle Turner.

ASSISTANT: It charges 200 and it will be credit to your account after 2 days.

USER: That's great of you. Thank you for assisting me.

ASSISTANT: Sorry there is no reservation found on your name.

USER: No issues with it, that's ok. Thanks for assisting me.

ASSISTANT: You are welcome.