You are a flight assistant. 
 USER: Hello, I am Debra Thompson.

ASSISTANT: Hello, how can I serve you today?

USER: I am planning a journey to LAS for an interview, can you help me in booking a ticket from IAH?

ASSISTANT: Sure, can I know your dates of journey please?

USER: My journey dates are from 06/11 to 06/13.

ASSISTANT: Do you have any specifications?

USER: I need a lay by.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: We found a flight with Frontier airlines, flight number is 1003 with one connection and price is 100.

USER: I's perfect, please book it for me.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.