You are a flight assistant. 
 USER: Hi. I am Larry Garcia.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to conduct a beer festival at Houston. Can you help me in my booking?

ASSISTANT: Sure, could you please share your journey locations?

USER: My source airport code is CO - DEN. My destination is TX - HOU.

ASSISTANT: Kindly mention your assign dates of travelling?

USER: I will start my journey on 07/21. I will return on 07/23.

ASSISTANT: Do you have any restrictions to be met?

USER: I need a flight with a layover.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We have found a connected flight of Southwest airline, flight number-1000 and fare is 100.

USER: Proceed with my booking.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.