You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Linda Mitchell.

ASSISTANT: How can I assist you today?

USER: I am planning to book a flight ticket to attend a Tennis competition in Chicago ORD. Can you make a reservation for me?

ASSISTANT: Sure, I can help you with that. May I know your source airport code please?

USER: Thank you for accepting my request. My source code is from LAS.

ASSISTANT: Ok, can you please provide your planned travel dates?

USER: Sure, my planned trip dates are on Mar 14 and back on  Mar 16.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a normal cost airlines.

ASSISTANT: Ok, please wait a while.

USER: Sure.

ASSISTANT: UA airlines is providing a flight on that route with ticket fare of 200, shall I proceed for booking?

USER: Yes, you can proceed with the ticket booking.

ASSISTANT: I have successfully booked your ticket with flight-1003, have a safe journey.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.