You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am Thomas Adams. Will you help me in cancelling my reservation as there is a terrorist alerts in New York?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting there is no reservations found on your name.

USER: Ok, I think I made reservation with other airline.

ASSISTANT: Thanks for choosing us.

USER: Thank you for response.