You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How shall I help you?

USER: I am Brandon Jones, I want to travel to Houston, TX - IAH to overview the city. Can you help me to book a flight ticket on 05/23?

ASSISTANT: Please provide your departure date?

USER: I want to come back on 05/25.

ASSISTANT:  Ok. Please mention origin airport code?

USER: My source is Las Vegas, NV - LAS.

ASSISTANT: Ticket is available with connections 1, airline AA, flight number 1001 having price 100.

USER: Ok, you can proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.