You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am looking for a flight from HOU to AUS, can you help me?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: I want to take off on 14 Mar and return on 16 Mar.

ASSISTANT: Would you like to fly with connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT:  Is there any other preferences that you would like to add before booking?

USER: I would like to travel in economy class.

ASSISTANT:  If you can help me with your name, I can check with the availability of flights.

USER: I am Eric Collins.

ASSISTANT:  Is there any other criteria?

USER: My return time should be in the morning.

ASSISTANT: Thanks for sharing your details, we are unable to provide flight in between your journey routes.

USER: It's ok, not a problem, thank you.

ASSISTANT: Thank you for reaching us.