You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you help me in booking a direct flight for my journey to OAK from DCA in the month of May?

ASSISTANT: Sure, can you please share your planned travel dates?

USER: Sure, my planned travel dates are May 14 and May 16.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, my name is Carol Roberts.

ASSISTANT: We found a direct flight, flight number: 1001, airline: Spirit, price: 100.

USER: Yes, do proceed with the booking in the flight which you have provided.

ASSISTANT: Your flight ticket has been reserved in economy class.

USER: Thank you for booking my flight ticket with the flight 1001.

ASSISTANT: Thank you for choosing us.