You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to travel Las Vegas, can you please reserve flight ticket from SFO and LAS?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are Apr,11 and Apr,13.

ASSISTANT: May I know your name?

USER: Myself Rachel Williams.

ASSISTANT: Do you have any connection limit?

USER: I need single connection limit.

ASSISTANT: Is there any specifications?

USER: No.

ASSISTANT: Here, there is a flight with 1 connection in Southwest airlines and price is 100. Shall I book?

USER: Please proceed with the reservation.

ASSISTANT: Ok, your ticket is booked with the flight 1001.

USER: Thank you.

ASSISTANT: Thank you for choosing us.