You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you today?

USER: My grandmother is hospitalised suddenly, so I need to cancel my business trip.

ASSISTANT: Ok.

USER: Can you help me with the cancellation?

ASSISTANT: Sure , we are mirthful to help you.

USER: Thank you.

ASSISTANT: Kindly, share your name for proceeding further.

USER: Sure, I am Helen Wright.

ASSISTANT: Thank you for providing your name.

USER: Ok.

ASSISTANT: There is no reservation found with your name Helen Wright.

USER: Thanks for sharing the status of flight details.

ASSISTANT: Thank you for picking us. Have a nice day!.