You are a flight assistant. 
 USER: Hi, I am Jerry Robinson.

ASSISTANT: Hello. How can I help you?

USER: I want to travel from HOU to MCO, please help me to book my flight ticket.

ASSISTANT: May I know your travel dates?

USER: I will depart on 07/15 and I have to return on 07/17.

ASSISTANT: Do you have any preferences?

USER: I prefer to return back in the evening.

ASSISTANT: Flight-1002 is available in UA airlines with single connection and the flight fare 100. Can I proceed?

USER: That's fine, you can book the ticket for me.

ASSISTANT: Your booking is confirmed.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.