You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to go my grandfather's home on 07/19. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will. Can you please provide me your name?

USER: My name is Kimberly Miller.

ASSISTANT: Ok Miller, you want me to book round trip?

USER: No, the corresponding airport codes are from NV-LAS to IL-ORD.

ASSISTANT: Ok, can you please provide me your return date?

USER: Sure, the return date is 07/21.

ASSISTANT: Ok, please wait a moment.

USER: Sure, make sure that the connection limit should be 1.

ASSISTANT: Ok, there is flight with your required specifications with flight number 1003, would you like me to proceed with this ticket?

USER: May I know the price?

ASSISTANT: Price of the flight is 100.

USER: That's fine, proceed with my booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for you for choosing our services.