You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Turner.

ASSISTANT: What can I do for you now?

USER: We planned to attend "The Vegas Show " with my colleagues which is held on 01/17.

ASSISTANT: Fine.

USER: Could you please help me in booking a ticket on 01/16 and return ticket on 01/18?

ASSISTANT: Sure, kindly mention your airport codes.

USER: My airport codes are PHL and LAS.

ASSISTANT: Are you having any specifications?

USER: Yes, price should not exceed 500 and with 1 connection.

ASSISTANT: UA airline is available for you with 1 connection of price 100 in 1022 flight. Can I make it to reserve?

USER: You can continue.

ASSISTANT: Ok, ticket with this flight is reserved.

USER: Thank you.

ASSISTANT: Thank you for approaching us, have a safe journey.