You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Eric Smith here. I would like to celebrate my birthday at my own orphanage, so please book me a flight ticket on 06/21 along with a return ticket on 06/23.

ASSISTANT: Sure, kindly mention your airport codes?

USER: I will fly from HOU to MCO.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: There is a flight with your requirement, airline is AA with price 800 and single connection.

USER: Ok, please book it for me.

ASSISTANT: Shall I proceed with booking?

USER: Yes, please.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching us.