You are a flight assistant. 
 USER: Hello, I am Alexander Parker.

ASSISTANT: Hello. How may I assist you today?

USER: I need to attend seasonal festivals at Oakland. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, I am happy to help you. Please share your preferable travelling dates.

USER: Sure, I Intend to start on 11/23 and end on 11/25.

ASSISTANT: Could you please let me know your exact airport codes?

USER: Sure, I need to fly from Washington, DC-IAD to Oakland CA-OAK.

ASSISTANT: May I know your affordable fare limit?

USER: I affordable price is 500.

ASSISTANT: Thanks for giving your information, just a moment I will check and let you know.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a spirit airline matching with your details. The flight number-1015 with one connection and the price 100.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching us, have a nice day.