You are a flight assistant. 
 USER: Hello, I am Laura Nelson.

ASSISTANT: Hello, how could I aid you today?

USER: My dream is to visit NASA space center at Houston. Can you please book me a flight ticket from Denver?

ASSISTANT: Sure, I am happy to help you. Can I know your connection limit?

USER: Sure, I need one connection in between my journey so that I can meet my friend in airport.

ASSISTANT: Sure, could you please help me with your airport codes?

USER: CO - DEN is my source and TX - IAH is my destination.

ASSISTANT: Ok, kindly mention your trip dates?

USER: I would like to visit on 05/28 after completion of visiting I need to return on 05/30.

ASSISTANT: Ok, wait for a moment. I will check with the availability and get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a AA airline which matches your requirements. Can I proceed with reserving a ticket?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been reserved with flight number 1024 and fare is 200.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for connecting with us, have a happy journey.