You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I render you today?

USER: I need to attend a meeting at Austin with my client, can you please help me in booking a ticket from Orlando?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: Thank you. My travel dates are from Apr 16 to Apr 18.

ASSISTANT: Ok, do you have any specifications?

USER: I would like to travel in normal cost airline.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Ok, I need a single connecting flight.

ASSISTANT: May I know your name please?

USER: I am Christine Allen.

ASSISTANT: Sorry Christine Allen, there are no flights available on your requested dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.