You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket from SEA to LAS?

ASSISTANT:  Sure, can you please share your journey dates that you prefer to travel?

USER: My travelling dates are May 19 and May 21.

ASSISTANT: Do you require any stopovers in your journey?

USER: No.

ASSISTANT: Would you let us know if you have any other preferences?

USER: I prefer to travel in normal cost airlines.

ASSISTANT: Please share your name.

USER: My name is Christopher Campbell.

ASSISTANT: Ok, please wait a minute I will get back to you with the flight details.

USER: Ok.

ASSISTANT:  As per the intents mentioned, United Airlines is providing a connecting flight and the airfare is about 200. Shall I proceed with flight 1012?

USER: Please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for the help.

ASSISTANT: Thanks for reaching us.