You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Melissa Harris here.

ASSISTANT: How may I help you?

USER: Can you book a connecting flight to Las Vegas for my business trip?

ASSISTANT: Sure, I am  happy to help you with that. Can I know your travelling dates?

USER: Ok, my travel dates for the journey are 03/26 to 03/28.

ASSISTANT: Ok, may I know your airport codes?

USER: My airport codes for boarding the flight are HOU TO lAS.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: I have found a flight having a connection limit 1. Shall I proceed with the booking?

USER: Sure, you can proceed for the booking.

ASSISTANT: Yes Harris, your ticket is confirmed with the flight number 1015.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us. have a safe journey.