You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Due to some problems my trip was cancelled so can you please cancel my flight ticket?

ASSISTANT: Yes, can you tell me your name?

USER: Thank you for your response, my name is James Adams.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Oh! It's ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.