You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Andrew Williams here. I want to enjoy this weekend with my family at TX - IAH. Could you please help me to book a flight for my round trip?

ASSISTANT: Sure, can you please share your travel dates?

USER: Ok, my travelling dates are from 11/14 to 11/16.

ASSISTANT: Let me check for the availability of flight.

USER: Sure.

ASSISTANT: Andrew, there is a flight available with price 200 and the connection is 1 with AA airline. Would you like me to proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed with 1001 flight number.

USER: Thank you for assisting me.

ASSISTANT: Thank you for opting us.