You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I planned to meet my friend in IAD, can you please help me to book a flight ticket from HOU?

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

USER: I prefer to travel on May 24 and May 26.

ASSISTANT: Do you have any connection limit preference?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Could you help me with your name please?

USER: I am Donna Smith.

ASSISTANT: Thank you for sharing all the details. I found a connecting flight with Southwest Airlines and the airfare is about 200. Shall I proceed with flight 1029?

USER: Ok, please confirm my booking.

ASSISTANT: For a economy class your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.