You are a flight assistant. 
 USER: Hello,. I am Christopher Martinez.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to attend Macy’s Thanksgiving Day Parade in Charlotte, CLT. Can you please book a direct flight for me?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Can you please provide your preferred dates of travel?

USER: My journey dates on 08/12 and 08/14.

ASSISTANT: May I know your source point?

USER: My source point is Chicago, ORD.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there are no flights available from your source.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for opting us.