You are a flight assistant. 
 USER: Hello, I am Donna Walker.

ASSISTANT: Hello, how can I help you out?

USER: As it is a round trip, I want to book a flight.

ASSISTANT: May I know your complete details of journey?

USER: I want to fly on 09/23 to 09/25. My airport code iS LGA. Price limit is 1000.

ASSISTANT: Ok, thanks for sharing. There is only JetBlue airline, with flight number 1005. May I proceed ?

USER: Yes , you can.

ASSISTANT: Ok, Your ticket is booked.

USER: Thanks for the help.

ASSISTANT: Thank You.