You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: I am Donna Gonzalez. Can you please help me in booking my flight ticket from Denver DEN on 02/07 date?

ASSISTANT: Sure, I will help you with booking. Please mention your destination airport code?

USER: My destination airport code is IAH.

ASSISTANT: Do you want any connection in between your journey?

USER: Yes, I need connecting flight.

ASSISTANT: Please share me your return journey date?

USER: My return date is 02/09.

ASSISTANT: Please wait for a moment.

USER: Ok, sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1002 of airline Spirit and fare is 100. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Your flight has been booked on flight 1002.

USER: Thank you.

ASSISTANT: Thank you for visiting us, have a nice journey.