You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jack Hall here.

ASSISTANT: How can I help you?

USER: Can you please reserve me a flight to visit national park at LAX, from DFW?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My travel dates are Nov 20th and Nov 22nd.

ASSISTANT: Please give me a moment.

USER: My return time must be in the morning. Ok, sure.

ASSISTANT: As per your request, I found a flight for you with single connection and ticket fare is 200. Shall I proceed for booking?

USER: Ok, please proceed by confirming the ticket.

ASSISTANT: Your ticket is booked with flight number 1006 and airline is Spirit.

USER: Thank you for the quick service.

ASSISTANT: Welcome, have a safe flight. Thank you for choosing us.