You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Daniel Rodriguez. I want to book a flight ticket from BOS to SEA. Could you help me in booking?

ASSISTANT: Sure, when would you like to travel?

USER: My travelling dates are from Nov 11 - 13.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: How much can you afford for a ticket fare?

USER: I can spend 5000.

ASSISTANT: There is a flight in an airline Hawaiian with 1003 number having a single connection price of 100. Shall I proceed to book your ticket?

USER: Yes, please proceed.

ASSISTANT: Your flight ticket has been booked in an economy class.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.