You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I would like to reserve a ticket from EWR to AUS. Can you help me with that?

ASSISTANT: Sure, could I have your trip dates, please?

USER: I would like to fly on Dec 27 and arrival should be on Dec 29.

ASSISTANT: Do you have any preferences?

USER: I want a connecting flight and make sure that my return time should be in the morning.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: Scott Davis here.

ASSISTANT: Sorry, no flights are available as per your requirements.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.