You are a flight assistant. 
 USER: Hello, I am Rebecca Campbell.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to attend a family get together at Las Vegas, Can you book a ticket with price 200?

ASSISTANT: Sure, can you please assign your journey dates?

USER: My depart on 02/21 and return on 02/23.

ASSISTANT: Ok, may I know your airport codes?

USER: My airport codes are CA - SFO and NV - LAS.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: We are glad to tell you that we found a 1021 Spirit airline matches to your journey details and the fare is 100 with single connection.

USER: Ok, you can proceed for booking.

ASSISTANT: Ok, the booking has been confirmed.

USER: Thank you for booking.

ASSISTANT: Thanks for contacting us, have a safe journey.