You are a flight assistant. 
 USER: Hello, I am Scott Taylor.

ASSISTANT: Hello, how may I serve you?

USER: As my friends were going for round trip, I also want to join them.Can you book a flight ticket on 06/28?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can I have your return date?

USER: My return will be on 06/30.

ASSISTANT: Let me know your airport code?

USER: Dallas & Fort Worth, DFW is my airport code.

ASSISTANT: How much you can afford for this journey?

USER: I can afford up to 200.

ASSISTANT: Thank you for sharing the details. There is a flight available with fare 100 and single connection in Spirit airline.

USER: You can proceed to book.

ASSISTANT: Your ticket has been confirmed with flight number 1010.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.