You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me to book a flight ticket from PHL to HOU?

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are 13 and 15 of Oct.

ASSISTANT: May I know your connection limit?

USER: I need a connection limit.

ASSISTANT: Is there any class preference?

USER: I prefer to travel in economy class.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a Delta airline with flight number 1000 and price  is 100 and class is economy with one connection. Shall I proceed?

USER: Please proceed to booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for helping me.

ASSISTANT: May I know your name?

USER: I am Dennis Hernandez.

ASSISTANT: Thank you for availing us.