You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ashley Scott.

ASSISTANT: How may I help you?

USER: I am planning to meet my colleague in DFW, could you help me in booking a flight ticket within a price limit of 1000?

ASSISTANT: May I know your travel dates?

USER: My travelling dates are 03/17 and return on 03/19.

ASSISTANT: May I know your source airport code?

USER: My source code is PHL.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1021. Shall I proceed with this flight?

USER: You can proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Most welcome.