You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I would like to visit Masonic Temple in Detroit, can you help me?

ASSISTANT: That's great, may I know your travelling dates for this trip?

USER: My trip dates are 10/31 and 11/02.

ASSISTANT: What are your nearest and destination airport codes for this trip?

USER: My nearest airport code is LAS and destination code is DTW.

ASSISTANT: May I know your name for your booking please?

USER: I am Andrew Hernandez.

ASSISTANT: Sorry to inform you, there is no availability of flights for you.As all bookings are full for this holiday season. You would have booked your tickets in advance.

USER: No, problem. Thanks for checking.

ASSISTANT: Sorry for the inconvenience, have a great day. Andrew Hernandez, thank you for reaching us.