You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Samantha Jackson here.

ASSISTANT: How can I assist you?

USER: My planned trip has been cancelled as of now, can you please help me in cancelling my recent reservation?

ASSISTANT: Ok, please wait.

USER: Sure, I'll wait for your response.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: Oh! May be my friend has already cancelled it, thank you anyways.

ASSISTANT: Thank you for reaching us.