You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Charles Hernandez.

ASSISTANT: Nice to meet you.

USER: I have to go Austin next week, can you please book a flight ticket from Houston?

ASSISTANT: Sure, will you mention your airport codes that you want to travel?

USER: I want to fly from HOU and destination airport is AUS.

ASSISTANT: Please provide the dates of your journey.

USER: My departure date is 05/18 and please book my return ticket also on 05/20.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: There is a flight with price 100 and the connections 1 is available.

USER: I am ok with this flight, please proceed.

ASSISTANT: Your ticket is booked. The flight number is 1005 and the airline is Delta.

USER: Thank you for your help.

ASSISTANT: My pleasure, have a great day.