You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Please help me to book a flight ticket from IAH to PHL.

ASSISTANT: Sure, I'm happy to help you with that. May I know your planned travel dates please?

USER: My planning dates are 28 to 30 of Apr.

ASSISTANT: Do you prefer stopover in between your journey?

USER: I need a break in between journey.

ASSISTANT: Please let me know if you have any other specifications.

USER: No.

ASSISTANT: May I know your good name please?

USER: I am Ryan Young.

ASSISTANT: UA is providing a single connected flight with ticket fare of 700, shall I proceed for booking?

USER: Please proceed to booking.

ASSISTANT: I have successfully booked you a business class ticket in flight-1013, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.