You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am planning to visit Houston as a holiday trip, can you please help me in booking a flight ticket from Las Vegas?

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

USER: I planned my trip on the dates June 13 and June 15 respectively.

ASSISTANT: Can you please provide your regional airport codes for booking?

USER: My airport codes are LAS and IAH.

ASSISTANT: On whose name I have to reserve the flight ticket?

USER: Please reserve the ticket under the name Gregory Moore.

ASSISTANT: Is there any class preference do you have?

USER: I prefer economy class.

ASSISTANT: Any connection limit do you have?

USER: I am looking for a connecting flight.

ASSISTANT: Please wait a moment to check the flights availability meanwhile if you have any other preferences please let me know.

USER: No, thank you for asking.

ASSISTANT: Based on your information, I have found a flight with 1 connection having with the fare of 300 provided by Delta airlines in economy class. Are you ok with this flight?

USER: Yes, I am ok with this flight.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1015.

USER: Thank you so much for your hep.

ASSISTANT: Thank you for reaching us, have a great journey.