You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Sure, I am here to help you with that flight ticket booking. Can I know your planned travel dates?

USER: My trip dates are from Apr, 30 to May, 02.

ASSISTANT: May I know your name please?

USER: Brenda Miller.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am comfortable with any class.

ASSISTANT: Can I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There is a connecting flight-1021 available in Frontier Airlines with a fare of 100. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Brenda Miller, your booking is confirmed successfully in economy class, the depart time and return time is Morning.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us, have  a safe journey.