You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Brain johnson. I want to book a ticket from TX-HOU to NV-LAS.

ASSISTANT: Can you provide the dates?

USER: My journey dates are from 05/20 to 05/22.

ASSISTANT: Just a minute.

USER: Can you provide flight details?

ASSISTANT: There is a flight with 1 connection and airline is Frontier. Can I book it?

USER: Ok. confirm it.

ASSISTANT: Your ticket is booked with 1019 flight number. Thank you.

USER: Thank you for your help.