You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am planning to meet my sister at Philadelphia, will you help me in booking the flight ticket from IAH to PHL?

ASSISTANT: Sure, can you share your trip dates?

USER: My preferable journey dates are May 31 and June 02.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with single connection.

ASSISTANT: Is there any class preference?

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

ASSISTANT: Are there any other specifications?

USER: No, thank you for asking.

ASSISTANT: Please forward your name.

USER: Myself Rebecca Hill.

ASSISTANT: We found a direct flight of fare 200 with airline Spirit and number 1028. Can I book?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for helping me in booking the flight ticket.

ASSISTANT: Thank you for availing us.