You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Helen Martin. I want to book a flight ticket from Dallas & Fort Worth, TX-DFW to San Francisco, CA-SFO.

ASSISTANT: Sure, can you share your journey dates?

USER: I want to travel on dates 11/27 and 11/29.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt in between the journey.

ASSISTANT: There is a connecting flight with number 1023 in airline Delta, the fare is 100. Can I book it?

USER: Yes, please proceed.

ASSISTANT: Your ticket is reserved, happy journey.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.