You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am looking for a flight to LAS to attend a meeting with client. Can you book a flight for me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will fly on June 20 and return on June 22.

ASSISTANT: May I know your source airport code please?

USER: My source point is BOS.

ASSISTANT: Do you have any limits on number of connections?

USER: I prefer a connecting flight.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

ASSISTANT: May I know your name for the booking process?

USER: I am Samuel Anderson.

ASSISTANT: Spirit  Airlines providing a flight with the price 100 with single connection. Can I proceed for the booking?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket reservation done with the flight number 1002.

USER: Thank you for confirming my ticket.

ASSISTANT: Welcome, thank you for reaching us.