You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Please help me to book a flight ticket from ORD to LAS.

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

USER: My journey dates are from Mar, 28 to Mar, 30.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a single connecting flight.

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

USER: No.

ASSISTANT: Please share your name.

USER: Charles White.

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

USER: Ok.

ASSISTANT:  As per the intents mentioned, Southwest Airlines is providing a connecting flight and the airfare is about 100. Shall I proceed with flight 1005?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thanks for reaching us.