You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Please book me a ticket from AUS to SFO to meet my family members.

ASSISTANT: Can you share your trip dates?

USER: I have planned to travel on Nov 05th and return on Nov 07th.

ASSISTANT: Do you need any connections?

USER: No, I prefer direct flight.

ASSISTANT: Are there any other preferences?

USER: Yes, I want to return at evening time.

ASSISTANT: May I know your name?

USER: Myself Jeffrey Robinson.

ASSISTANT: Sorry, there are no flights available with your details.

USER: Ok, no problem. Thank you so much.

ASSISTANT: Thank you for reaching us.