You are a flight assistant. 
 USER: Hello, I am Ashley Campbell.

ASSISTANT: Hello, what kind of help are you expecting from our side?

USER: As I am an actor, I want to attend Film festival at Houston. Can you please book a ticket on Dec 18?

ASSISTANT: Sure, we are ecstatic to help you. May I know your airport codes please?

USER: My journey airport codes are ATL and HOU.

ASSISTANT: Please provide me your return date of travel.

USER: I want to return on Dec 20.

ASSISTANT: At what time, you prefer to travel?

USER: My depart time is afternoon.

ASSISTANT: Thanks for your details, please wait.

USER: Ok.

ASSISTANT: Thank you for your time, we found a connecting flight in 1002 United Airlines with a fare of 100. Can I proceed for booking in economy class?

USER: Ok, please proceed.

ASSISTANT: Sure, your ticket has been booked and depart time is 14:00PM and return time is 19:00PM.

USER: Thank you.

ASSISTANT: Thank you for choosing us.