You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you the best today?

USER: Can you please help me to book a flight from LAS to ATL?

ASSISTANT: Sure, may I know your connection limit please?

USER: I need a flight with single connection.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I want to depart on Apr 30 and need to return on May 2.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: Joseph Walker.

ASSISTANT: Do you have any other restrictions to be met?

USER: I prefer normal-cost airline to travel.

ASSISTANT: There is a connecting flight 1018 in United Airlines at the price of 100 with economy class. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for availing us.