You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Please help me out in booking the ticket from SFO to LAS.

ASSISTANT: Can I have your trip dates?

USER: My trip dates will be Jan 19 to Jan 21.

ASSISTANT: Is there any class concern?

USER: No.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Please share your name.

USER: Justin Anderson is my name.

ASSISTANT: There is a connecting flight-1000 in economy class, is it fine for you?

USER: Please proceed.

ASSISTANT: Booking is done on Southwest airlines.

USER: Thank you.

ASSISTANT: Welcome Justin Anderson.