You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a ticket from ORD to LAS.

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: Departure is by July, 23 and return date is July, 25.

ASSISTANT: May I know your name?

USER: I am Kevin Lopez.

ASSISTANT: Do you have any other specifications?

USER: I prefer connecting flight.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Delta airlines with connecting flight and number 1003 fare of 100, Shall I proceed for booking?

USER: Please book a ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.