You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I help you?

USER: I am Eric Wilson. I want to book a flight ticket from DCA to BOS, can you please help me to book a flight ticket?

ASSISTANT: Sure, I will help you. May I know your journey dates?

USER: My journey dates are 01/26 to 01/28.

ASSISTANT: Is there any price limit?

USER: Yes, it is 200.

ASSISTANT: Do you have any connection limit?

USER: I need a halt.

ASSISTANT: In which class do you prefer to travel?

USER: I want to travel in economy class.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thanks for waiting. We found a direct flight in Spirit airline, Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked with flight number 1002 having price 200.

USER: Thank you for your service.

ASSISTANT: Thank you.