You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Patricia Smith. I am planning to travel to San Francisco on 10/02 and get back to Philadelphia on 10/04. Can you book a ticket?

ASSISTANT: Sure, we are here to help you. Can you share me your source point and destination point?

USER: Source airport code is PHL and destination airport code is SFO.

ASSISTANT: Do you need any halts in between your journey?

USER: Yes, I prefer a halt in between journey.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: We found Spirit airline with connecting flight and number 1001 fare of 100. Shall I confirm it?

USER: You can confirm it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for approaching us.