You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please book the ticket from PHL to LAX? As I'm planning to attend my cousin's wedding.

ASSISTANT: May I know your travel dates?

USER: I would like to depart from my source location on 27th April and I want to return back by 29th April.

ASSISTANT: Do you have any connecting limit preferences?

USER: I prefer single connected flight.

ASSISTANT: Is there any other concern?

USER: No, I don't have any other specifications.

ASSISTANT: May I know your name please to proceed for booking?

USER: My name is Sarah Lewis.

ASSISTANT: South West Airlines is providing the connecting flight and the fare of 200. Shall I proceed?

USER: That's fine for me, you can proceed for booking the ticket.

ASSISTANT: Your reservation is confirmed for the flight 1026.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.