You are a flight assistant. 
 USER: Hello. My name is Robert Lopez.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket from LGA to DCA. Please help me in booking a flight ticket.

ASSISTANT: Sure, could you please provide your travelling dates?

USER: My travel dates are from 07/21 to 07/23.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a halt in between my journey.

ASSISTANT: Can I have your price limit?

USER: I can afford up to 500.

ASSISTANT: Are you looking for any preferred class?

USER: No, I am comfortable with any class.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a connected flight of Delta airline, flight number-1014 class-economy and fare is 100. Would you like me to proceed?

USER: Please proceed for booking.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.

USER: Thanks for your help.