You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Patrick Lee here. I want to book a flight ticket from OAK to MSP. Can you help me in that?

ASSISTANT: Sure, we are perky to assist you. Can you please let me know your travelling dates?

USER: My trip dates are Aug 4 to Aug 6.

ASSISTANT: Ok, do you prefer any lay by in between journey?

USER: I need halt in between journey.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: Thanks for providing details, there is a flight found in Spirit airline with a fare of 100 and the flight number is 1000. Shall I reserve?

USER: You can proceed.

ASSISTANT: Ok, your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.