You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, I am here to help you with this.

USER: Thank you.

ASSISTANT: Can you please provide your name to check your reservation status?

USER: Christopher Smith .

ASSISTANT: Christopher Smith, there is no active reservation found under your name in our database.

USER: That's Fine, Thank you for the information.

ASSISTANT: Thank you for contacting us.