You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight ticket on Feb 06 to meet my family in LAS.

ASSISTANT: Sure, please mention your name.

USER: Thomas Clark here.

ASSISTANT: Ok, when do you want to return?

USER: I want to return on Feb 08.

ASSISTANT: Ok, please help me with your source point.

USER: My preferred source airport code is SFO.

ASSISTANT: Ok, Do you have any class preference?

USER: No, thanks for asking.

ASSISTANT: Ok, Is there any other preferences?

USER: I would like to fly in connecting flight.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1027 American Airlines with a fare of 100. Can I proceed?

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for opting us.