You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Carolyn Garcia. I want to book a connecting flight ticket from DFW to SFO. Could you help me in booking?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable departure and return dates of travelling?

USER: My travelling dates are from Aug 25-27.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Ok.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by UA airlines in economy class. Would you like to book this flight for your journey?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1019.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching to our services, have a great day.