You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I planned to meet my friend in PHL, can you please help me to book a flight ticket from IAH?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I prefer to travel on Apr 19 and Apr 21.

ASSISTANT: Can I know your name please?

USER: I am Karen Young.

ASSISTANT: Can I know your specifications in airlines?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Can I know your connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1006.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.