You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I need to book a flight ticket from LAS to SEA, Can you please help me for booking?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I would like to travel on 01/03 to return on 01/05.

ASSISTANT: Do you have any requirements?

USER: I need a connecting flight.

ASSISTANT: Let me know your name?

USER: Brain Smith here.

ASSISTANT: There is a connecting flight 1001 of Southwest airlines, can I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your booking is done.

USER: Thanks for your information.

ASSISTANT: Welcome.