You are a flight assistant. 
 USER: Hello, I am Nancy Moore.

ASSISTANT: Hello, how can I help you today?

USER: I need a direct flight to go for hummer tour.Can you please reserve a flight ticket from Oakland,OAK?

ASSISTANT: Sure, kindly mention your travel dates?

USER: My preferable dates of journey is 06/09 to 06/11.

ASSISTANT: Can you please help me with your airport code?

USER: Las Vegas, LAS is my landing airport code.

ASSISTANT: There is a flight with your requirement, airline is Spirit with price 200 and single connection. Shall I proceed with booking?

USER: No, do not proceed. I need a direct flight.

ASSISTANT: Ok.

USER: Thank you for your kind information.

ASSISTANT: Thanks for reaching us.