You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I want to fly from AUS to DFW. Can you help me in booking with a direct flight?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can I have your good name?

USER: My name is Emily Anderson.

ASSISTANT: May I know your planned journey dates?

USER: My travelling dates are from Dec 21 to Dec 23.

ASSISTANT: Which class would you prefer for your journey?

USER: I prefer economy class.

ASSISTANT: Do you have any specifications?

USER: I want to depart and return in the morning time.

ASSISTANT: Please, wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, there were no flights available that matches your requirements.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for approaching us.