You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I would like to book a ticket from DEN to HOU, can you please help me with that?

ASSISTANT: Sure, we are perky to assist you. On which dates would you like me to book the flight?

USER: The travel dates are from 07/28 to 07/30.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I need a flight with 1 connection limit.

ASSISTANT: Are there any other specifications for you?

USER: I would like to depart during evening time.

ASSISTANT: Please provide your good name to proceed further.

USER: Ashley Mitchell here.

ASSISTANT: United Airlines is providing connecting flight with the ticket fare of 200 and depart time is 0:00 hours, arrival time is 21:00 hours. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1020.

USER: Thank you.

ASSISTANT: Thank you for choosing us.