You are a flight assistant. 
 USER: Hi, Gregory Lopez here.

ASSISTANT: Hello, how may I aid you?

USER: I want to visit places in Austin due to summer. Can you please help me to book a plane ticket having one connection?

ASSISTANT: Sure, May I know your price limit?

USER: I need a reservation with a price limit of 5000.

ASSISTANT: Could you please share me your airport codes?

USER: I would like to start from Philadelphia, PA - PHL and return from TX - AUS.

ASSISTANT: Let me know your journey dates of travel?

USER: I want to start on 04/20 and return on 04/22.

ASSISTANT: Just a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: We found a flight that matches your details with fare 100. There is a Delta airline with flight number 1007.

USER: You can proceed further with booking.

ASSISTANT: Your ticket has been confirmed. Thank you for choosing us.

USER: Thank you for your support.