You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please book the ticket from IAH to PHL? As I need to attend an interview.

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, I would like to depart from my source location on 18th July and I want to return back by 20th July.

ASSISTANT: Do you prefer a direct flight?

USER: I prefer single connected flight.

ASSISTANT: May I know your name?

USER: My name is Kimberly Hill.

ASSISTANT: Hawaiian airlines with flight 1000 is providing a direct flight and ticket costs you 100 in economy class.

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

ASSISTANT: Your ticket is confirmed Kimberly Hill.

USER: Thank you so much for your help.

ASSISTANT: Thank you for choosing us.