You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Barbara Carter here. Can you please book me a flight ticket from LAS to SFO?

ASSISTANT: Sure, when are you planning to travel?

USER: My journey dates are 06/26 and 06/28.

ASSISTANT: Let me know your specifications?

USER: I need a connecting flight.

ASSISTANT: Spirit airlines with single connection and price is 200 of 1001 flight. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your assistance.

ASSISTANT: Thank you.