You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you out?

USER: I am David Hernandez.

ASSISTANT: Ok.

USER: Can you help me to book a flight ticket from IAH to LAS?

ASSISTANT: Sure, we are glad to help you. Can you please let me know your travelling dates?

USER: I am travelling from May 31 to June 02.

ASSISTANT: Ok, Is there any connection limit for you?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for the time, we found a connecting flight with Frontier airline in economy class. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been reserved with a fare of 100 and the flight number is 1007.

USER: Thank you.

ASSISTANT: Thank you for opting us.