You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket for a round trip NV-LAS, help me in booking my flight ticket .

ASSISTANT: Can I know your travel dates?

USER: My trip dates will be 02/02 to 02/04.

ASSISTANT: Please let me know your name?

USER: I am Janet Allen.

ASSISTANT: Connecting flight can be booked with airline Southwest for price 100 having flight number 1000. Shall I book a ticket?

USER: You can reserve.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.