You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket to San Francisco with price under 1000.Can you  help me with it?

ASSISTANT: Sure, please provide your journey codes.

USER: Journey codes are DFW-SFO.

ASSISTANT: Do you need any connection within your journey?

USER: I need a single connection in the journey.

ASSISTANT: May I know your journey dates? May I know your good name?

USER: Journey dates are 09/24 AND 09/26. My name is David Harris.

ASSISTANT: Thank you for the information. We found with number 1006 and Spirit as airline. Shall I go with booking?

USER: Yes, you can proceed.

ASSISTANT: Your booking is done.

USER: Thanks for the help.

ASSISTANT: Thank you for the reaching us.