You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I am Sarah Clark. I want to book a ticket from PHL to HOU, can you help me?

ASSISTANT: Sure, I will help you. Can you please share the dates of your journey?

USER: My travel dates are 02/20 and 02/22.

ASSISTANT: Noted Sarah. Can you please hold on for a while? I will check the flight availability.

USER: Sure.

ASSISTANT: Thank you for waiting. There is a connecting flight available with UA airline, shall I book it?

USER: You can proceed with the booking.

ASSISTANT: Your booking is done with flight number 1020. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.