You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Carolyn Thomas here.

ASSISTANT: Thomas, how can I assist you?

USER: Can you cancel my flight ticket reservation? As my press conference is been postponed in New York due to some date issues.

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Sure, I will wait online.

ASSISTANT: Sorry, no reservation is available by your name.

USER: Ok, may be it is already cancelled by my friend. Thank you.

ASSISTANT: Thank you for reaching us.