You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Eric Thomas, want to travel from PHX to AUS. Can you please help me in this?

ASSISTANT: Sure, we are here to help you. Can you share me your trip dates?

USER: My trip dates are from 10/25 to 10/27.

ASSISTANT: Is there any class preference for you?

USER: I am fine with any class.

ASSISTANT: May I know your departure time and arrival time?

USER: I want my depart time at evening.

ASSISTANT: Would you like to prefer direct flight or connecting flight?

USER: I want a single connecting flight.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: That's fine, thank you.

ASSISTANT: Thank you for choosing us.