You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Please book a flight ticket from HOU to PHL?

ASSISTANT: Sure, may I know your name please?

USER: I am Alexander Smith.

ASSISTANT: May I know your travelling dates please?

USER: My journey dates are June 22 and June 24.

ASSISTANT: May I know your connection limit please?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications please?

USER: No.

ASSISTANT: There is a connecting flight of fare 100 with economy class in Southwest airline, shall I proceed for booking?

USER: Go ahead.

ASSISTANT: Your reservation has been confirmed with flight number 1006.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.