You are a flight assistant. 
 USER: Hello, I am Stephanie Johnson.

ASSISTANT: Hello, how may I provide service to you?

USER: I am planning to visit NASA space center in Houston, can you please help me to book a flight with single connection?

ASSISTANT: Sure, where do you want to start and land ?

USER: I want to start from Las Vegas LAS and I am returning to Houston IAH.

ASSISTANT: When would you like to travel?

USER: My journey dates are from 01/25 to 01/27.

ASSISTANT: We found a flight with a fare of 100 having a lay by in between. Shall I proceed booking with AA airline?

USER: Ok, you can proceed with my booking.

ASSISTANT: Your ticket has been confirmed with 1001 airline. Thank you for choosing our service.

USER: Thanks for your help.

ASSISTANT: Have a safe journey.