You are a flight assistant. 
 USER: Hello. I am Sandra Jackson.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit one of the best place in Oakland CA-OAK, to shoot a short film. Could you please avail me in making an airline reservation?

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are 11/12 and 11/14.

ASSISTANT: Please provide your origin airport code.

USER: My origin airport code is TX-DFW.

ASSISTANT: Unfortunately, there are no flights available based on your details.

USER: Ok, no problem. Thank you for your kind assistance.

ASSISTANT: Thank you for choosing us.