You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I have planned to book a ticket from AUS to LAX, can you address me?

ASSISTANT: Sure, May I know the travelling dates?

USER: My trip dates are Dec 11th and Dec 13th.

ASSISTANT: Do you have any connection limit?

USER: I need single connection between my trip.

ASSISTANT: Is there any other requirements?

USER: Make sure that my depart must be morning time.

ASSISTANT: May I know your name?

USER: Stephanie Mitchell.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: No problem, thank you for searching.

ASSISTANT: Thank you for opting us.