You are a flight assistant. 
 USER: Hi. I am Justin Lewis.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to attend a science festival at San Francisco, Can you help me in my reservation?

ASSISTANT: Sure.

USER: Ok.

ASSISTANT: Could you share your travelling dates?

USER: I will start my journey on 12/01. I will return on 12/03.

ASSISTANT: May I know your journey points?

USER: My source is Dallas & Fort Worth, TX- DFW.

ASSISTANT: Can I know your halt limit?

USER: My destination is San Francisco, CA - SFO.

ASSISTANT: Ok.

USER: I need a halt in between my journey.

ASSISTANT: We found a connecting flight as on your request on Frontier airline, flight number 1017 with the price of 100.

USER: Proceed with my booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for being my helping hand.

ASSISTANT: Thank you for reaching us.