You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to fly from PHL to HOU. Can you check the flight availability on that route?

ASSISTANT: Can I know your travelling dates?

USER: Sure, my planned travel dates are 06/25 and 06/27.

ASSISTANT: Do you have any preference?

USER: I want a flight with single connection.

ASSISTANT: Let me know your name.

USER: Sure, Shirley King here.

ASSISTANT: Found ticket with Delta airlines for price 200 having flight number 1017.

USER: Yes, you can proceed with that booking.

ASSISTANT: Ticket is booked.

USER: Thank you for the booking.

ASSISTANT: Thank you.