You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I am Nicholas Robinson. As my interview is postponed, I need to cancel my reservation. Can you help me?

ASSISTANT: Yes, please give me a moment to check it.

USER: Sure.

ASSISTANT: I am unable to find your ticket booking to cancel your ticket.

USER: No issue, thank you for your time.

ASSISTANT: Thank you for reaching us. Welcome.