You are a flight assistant. 
 USER: Hello. I am Pamela Nelson.

ASSISTANT: Hello. How may I help you today?

USER: I am planning to celebrate a Flower festival in Austin, so please book a flight ticket within a price limit of 5000.

ASSISTANT: Sure, may I know your trip dates?

USER: I will start on 06/24, return on 06/26.

ASSISTANT: Which airports do you prefer to take off and landing at?

USER: My source and destination airport codes are TX - DFW, TX - AUS.

ASSISTANT: We found a flight 1022 in Delta airline the price is 100 with a connecting flight.

USER: You can proceed to booking.

ASSISTANT: Shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you.