You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please book the ticket from HOU to PHL? As I need to go Philadelphia to meet my old friend.

ASSISTANT: Sure, may I know your trip dates please?

USER: Sure, I would like to depart from my source location on 15th March and I want to return back by 17th March.

ASSISTANT: Is there any class preference?

USER: I'm ok with any class.

ASSISTANT: Any other requirement to be met?

USER: I prefer single connected flight.

ASSISTANT: Can you mention your name to proceed further?

USER: My name is Christine Smith.

ASSISTANT: Hawaiian Airlines has a connecting flight with number 1019 for fare 100, shall I proceed?

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

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you so much for your help.

ASSISTANT: Thank you for opting us.