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

ASSISTANT: Hello, how can I assist you today?

USER:  I have promised my children to take them to Children's Museum of Houston on this weekend. Can you please book a ticket under price 500?

ASSISTANT: Sure, can you please assign your journey dates?

USER: My depart date is on 03/02 and return date is on 03/04.

ASSISTANT: Ok, please share your airport codes.

USER: It is a round trip TX - IAH.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time, we found a flight in 1022 Spirit airline with a fare of 200. Can I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Sure, your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for opting us.