You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to visit Olympic National Park at Washington, could you please help me with booking a flight ticket from ORD to DCA?

ASSISTANT: Can I know your travelling dates?

USER: I would like to depart on Mar 11th and return on Mar 13th.

ASSISTANT: Please let me know your connection limit?

USER: I am looking for a direct flight.

ASSISTANT: Please tell me your name?

USER: I am Amanda Allen.

ASSISTANT: Do you have any other requirements?

USER: I have no other requirements.

ASSISTANT: Here is a direct flight with fare 200 and 1024 as flight number in JetBlue airline. Shall I proceed with booking?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket is confirmed in economy class.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.