You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Laura Anderson here.

ASSISTANT: Laura, how may I guide you today?

USER: Due to heavy traffic, I am not able to catch my flight. So, can you cancel my ticket?

ASSISTANT: Sure, I am happy to help you, please hold on for a moment to check your reservation status.

USER: Sure.

ASSISTANT: Laura, I found your reservation and I cancelled it successfully. Thank you for reaching us.

USER: Thank you.