You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Can you please reserve a flight ticket from IAH to LAS?

ASSISTANT: Sure, I am mirthful to help you with that. Can you please share your preferable travel dates?

USER: My planned travelling dates are May, 26 and 28 respectively.

ASSISTANT: Would you like to travel in a connecting flight or in direct flight?

USER: I prefer to a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I would like to depart at afternoon.

ASSISTANT: May I know your name please?

USER: I am Samantha Martin here.

ASSISTANT: Flight-1015 in Southwest Airlines with connecting and the ticket fare is 100. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Your booking is done in economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us, have a great day.