You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Jeffrey Campbell here, I would like to visit Houston, can you please help me to book a ticket from LAS to IAH?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Ok, my dates of journey is from 07/18 to 07/20.

ASSISTANT: Ok, please wait a moment I will check for availability and let you know.

USER: Sure, take your time.

ASSISTANT: Ok, there is a flight 1011 in Spirit airline matching your details with price 100. Shall I proceed?

USER: Ok, please go ahead with this ticket booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your help in booking a ticket.

ASSISTANT: You are welcome, have a safe journey.