You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Charles Robinson.

ASSISTANT: How can I assist you?

USER: Due to a minor accident, my family trip is cancelled. Can you help me in cancelling the reservation?

ASSISTANT: Sure, please give me a minute and I will be back with your details.

USER: Sure.

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

USER: That's ok. Thank you for your time.

ASSISTANT: Thank you, have a good day.