You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket to DEN to meet my childhood friend. Can you please assist me for booking from HOU?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: My planned dates are on April 20 and 22.

ASSISTANT: Would you like to fly with connecting flight or direct flight?

USER: I need a connected flight to travel.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No.

ASSISTANT: If you can help me with your name, I can check with the availability of flights.

USER: Sure, my name is Shirley Collins.

ASSISTANT: Here, I found a flight-1015 for you in Delta airlines with 1 stopover in economy class and it costs you 200. Can I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.